{"id":28259,"date":"2021-03-23T15:43:07","date_gmt":"2021-03-23T10:13:07","guid":{"rendered":"https:\/\/www.mygreatlearning.com\/blog\/strings-in-java\/"},"modified":"2025-06-18T13:40:40","modified_gmt":"2025-06-18T08:10:40","slug":"strings-in-java","status":"publish","type":"post","link":"https:\/\/www.mygreatlearning.com\/blog\/strings-in-java\/","title":{"rendered":"Strings in Java: Creation, Methods &amp; Best Practices"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"what-is-a-java-string\">What is a Java String?<\/h2>\n\n\n\n<p>A Java String is an ordered, immutable sequence of characters. For example, \"hello\" or \"Java\" are strings. Immutability means you cannot change a String object after you create it.<\/p>\n\n\n\n<p>Java Strings allow you to work with text. You need them for user input, data storage, and display.<\/p>\n\n\n\n<p>For example, your Java program uses Strings to capture a user's name and address from a form.<\/p>\n\n\n\n    <div class=\"courses-cta-container\">\n        <div class=\"courses-cta-card\">\n            <div class=\"courses-cta-header\">\n                <div class=\"courses-learn-icon\"><\/div>\n                <span class=\"courses-learn-text\">Academy Pro<\/span>\n            <\/div>\n            <p class=\"courses-cta-title\">\n                <a href=\"https:\/\/www.mygreatlearning.com\/academy\/premium\/master-java-programming\" class=\"courses-cta-title-link\">Java Programming Course<\/a>\n            <\/p>\n            <p class=\"courses-cta-description\">Learn Java the right way! Our course teaches you essential programming skills, from coding basics to complex projects, setting you up for success in the tech industry.<\/p>\n            <div class=\"courses-cta-stats\">\n                <div class=\"courses-stat-item\">\n                    <div class=\"courses-stat-icon courses-user-icon\"><\/div>\n                    <span>16.05 Hrs<\/span>\n                <\/div>\n                <div class=\"courses-stat-item\">\n                    <div class=\"courses-stat-icon courses-star-icon\"><\/div>\n                    <span>3 Projects<\/span>\n                <\/div>\n            <\/div>\n            <a href=\"https:\/\/www.mygreatlearning.com\/academy\/premium\/master-java-programming\" class=\"courses-cta-button\">\n                Learn Java Programming\n                <div class=\"courses-arrow-icon\"><\/div>\n            <\/a>\n        <\/div>\n    <\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"how-to-create-java-strings\">How to Create Java Strings<\/h2>\n\n\n\n<p>You create Java Strings in two ways: using string literals or the new keyword.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-use-string-literals\">1. Use String Literals<\/h3>\n\n\n\n<p>This is the most common way to create a String. Java treats text in double quotes as a String literal.<\/p>\n\n\n\n<p>Here\u2019s an example:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nString greeting = &quot;Hello, World!&quot;;\n<\/pre><\/div>\n\n\n<p>Java stores String literals in the String Pool. This saves memory. If you create the same String literal twice, Java points both variables to the same object in the pool.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"2-use-the-new-keyword\">2. Use the new Keyword<\/h3>\n\n\n\n<p>You can also create a String object using the new keyword. This creates a new String object in the heap memory. This happens even if an identical String exists in the String Pool.<\/p>\n\n\n\n<p>Here\u2019s how you do it:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nString name = new String(&quot;Alice&quot;);\n<\/pre><\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"key-java-string-methods\">Key Java String Methods<\/h2>\n\n\n\n<p>Java provides methods to work with Strings. These methods manipulate and analyze text.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"1-get-string-length\">1. Get String Length<\/h3>\n\n\n\n<p>The <code>length()<\/code> method returns the number of characters in a String.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nString text = &quot;Java&quot;;\nint len = text.length(); \/\/ len will be 4\nSystem.out.println(len);\n<\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"2-concatenate-strings\">2. Concatenate Strings<\/h3>\n\n\n\n<p>You can join two or more Strings. Use the <code>+<\/code> operator or the <code>concat()<\/code> method.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nString firstName = &quot;John&quot;;\nString lastName = &quot;Doe&quot;;\nString fullName = firstName + &quot; &quot; + lastName; \/\/ fullName is &quot;John Doe&quot;\nSystem.out.println(fullName);\n\nString message = &quot;Welcome &quot;.concat(&quot;Home&quot;); \/\/ message is &quot;Welcome Home&quot;\nSystem.out.println(message);\n<\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"3-access-characters\">3. Access Characters<\/h3>\n\n\n\n<p>Use the <code>charAt()<\/code> method to get a character at a specific index. Indexes start from 0.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nString word = &quot;Code&quot;;\nchar firstChar = word.charAt(0); \/\/ firstChar is &#039;C&#039;\nSystem.out.println(firstChar);\n<\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"4-compare-strings\">4. Compare Strings<\/h3>\n\n\n\n<p>The <code>equals()<\/code> method compares two Strings. It checks if their content is the same. Use <code>equalsIgnoreCase()<\/code> to ignore case differences.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nString s1 = &quot;hello&quot;;\nString s2 = &quot;Hello&quot;;\nboolean areEqual = s1.equals(s2); \/\/ areEqual is false\nSystem.out.println(areEqual);\n\nboolean ignoreCaseEqual = s1.equalsIgnoreCase(s2); \/\/ ignoreCaseEqual is true\nSystem.out.println(ignoreCaseEqual);\n<\/pre><\/div>\n\n\n<p>Do not use <code>==<\/code> to compare String content. The <code>==<\/code> operator checks if two String references point to the same object in memory.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"5-find-substrings\">5. Find Substrings<\/h3>\n\n\n\n<p>The <code>indexOf()<\/code> method finds the first occurrence of a substring. It returns the index. If the substring is not found, it returns -1.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nString sentence = &quot;Learn Java Programming&quot;;\nint index = sentence.indexOf(&quot;Java&quot;); \/\/ index is 6\nSystem.out.println(index);\n<\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"6-extract-substrings\">6. Extract Substrings<\/h3>\n\n\n\n<p>The <code>substring()<\/code> method extracts a portion of a String. You provide start and end indexes.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nString original = &quot;Programming&quot;;\nString part = original.substring(3, 7); \/\/ part is &quot;gram&quot;\nSystem.out.println(part);\n<\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"7-replace-characters-or-substrings\">7. Replace Characters or Substrings<\/h3>\n\n\n\n<p>Use <code>replace()<\/code> to replace characters or substrings.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nString text = &quot;hello world&quot;;\nString newText = text.replace(&#039;o&#039;, &#039;x&#039;); \/\/ newText is &quot;hellx wxrld&quot;\nSystem.out.println(newText);\n\nString anotherText = &quot;Java is fun&quot;;\nString replaced = anotherText.replace(&quot;fun&quot;, &quot;great&quot;); \/\/ replaced is &quot;Java is great&quot;\nSystem.out.println(replaced);\n<\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"8-convert-case\">8. Convert Case<\/h3>\n\n\n\n<p>The <code>toLowerCase()<\/code> and <code>toUpperCase()<\/code> methods change the case of a String.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nString upper = &quot;HELLO&quot;;\nString lower = upper.toLowerCase(); \/\/ lower is &quot;hello&quot;\nSystem.out.println(lower);\n\nString lower2 = &quot;world&quot;;\nString upper2 = lower2.toUpperCase(); \/\/ upper2 is &quot;WORLD&quot;\nSystem.out.println(upper2);\n<\/pre><\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"9-trim-whitespace\">9. Trim Whitespace<\/h3>\n\n\n\n<p>The <code>trim()<\/code> method removes leading and trailing whitespace.<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nString padded = &quot;  leading and trailing  &quot;;\nString trimmed = padded.trim(); \/\/ trimmed is &quot;leading and trailing&quot;\nSystem.out.println(trimmed);\n<\/pre><\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"string-immutability-what-it-means\">String Immutability: What It Means<\/h2>\n\n\n\n<p>When you perform an operation that appears to change a String, Java creates a new String object. The original String remains unchanged.<\/p>\n\n\n\n<p>For example:<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: plain; title: ; notranslate\" title=\"\">\nString original = &quot;apple&quot;;\noriginal.concat(&quot;pie&quot;); \/\/ This creates a new String &quot;applepie&quot;\nSystem.out.println(original); \/\/ Prints &quot;apple&quot;, original is unchanged\n\nString newString = original.concat(&quot;pie&quot;); \/\/ Assign the result to a new variable\nSystem.out.println(newString); \/\/ Prints &quot;applepie&quot;\n<\/pre><\/div>\n\n\n<p>This immutability offers benefits:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>Thread Safety:<\/b> Multiple threads can access a String without synchronization problems. One thread cannot change a String while another reads it.<\/li>\n\n\n\n<li><b>Security:<\/b> Immutability is important for security. When you use Strings for sensitive data like database credentials, their unchanging nature prevents unintended modifications.<\/li>\n\n\n\n<li><b>Performance:<\/b> The String Pool relies on immutability. This helps save memory and improves performance by reusing existing String objects.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"best-practices-for-using-java-strings\">Best Practices for Using Java Strings<\/h2>\n\n\n\n<p>Follow these practices to use Java Strings effectively:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><b>Prefer String Literals:<\/b> Use string literals (\"text\") when possible. This uses the String Pool and saves memory.<\/li>\n\n\n\n<li><b>Use StringBuilder or StringBuffer for Modifications:<\/b> If you need to modify Strings many times, use <code>StringBuilder<\/code> (for single-threaded use) or <code>StringBuffer<\/code> (for multi-threaded use). These classes are mutable.<\/li>\n\n\n\n<li><b>Compare Strings Correctly:<\/b> Always use <code>equals()<\/code> or <code>equalsIgnoreCase()<\/code> to compare String content. Do not use <code>==<\/code>.<\/li>\n\n\n\n<li><b>Handle null Strings:<\/b> Always check if a String is <code>null<\/code> before performing operations on it. This prevents <code>NullPointerException<\/code>s.<br><pre><code>String myString = null;<br>if (myString != null &amp;&amp; myString.length() &gt; 0) {<br>    \/\/ Perform operations<br>}<\/code><\/pre><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>A Java String is an object that represents a sequence of characters. It stores and manipulates text data. You use this to build Java applications.<\/p>\n","protected":false},"author":41,"featured_media":28268,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25860],"tags":[36826],"content_type":[],"class_list":["post-28259","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-software","tag-java"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Strings in Java: Creation, Methods &amp; Best Practices<\/title>\n<meta name=\"description\" content=\"Learn to create, compare, manipulate Java strings with examples. Covers immutability, common methods, and best practices for string handling in Java.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.mygreatlearning.com\/blog\/strings-in-java\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Strings in Java: Creation, Methods &amp; Best Practices\" \/>\n<meta property=\"og:description\" content=\"Learn to create, compare, manipulate Java strings with examples. Covers immutability, common methods, and best practices for string handling in Java.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.mygreatlearning.com\/blog\/strings-in-java\/\" \/>\n<meta property=\"og:site_name\" content=\"Great Learning Blog: Free Resources what Matters to shape your Career!\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/GreatLearningOfficial\/\" \/>\n<meta property=\"article:published_time\" content=\"2021-03-23T10:13:07+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-18T08:10:40+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/www.mygreatlearning.com\/blog\/wp-content\/uploads\/2021\/03\/shutterstock_1177872616.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"667\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Great Learning Editorial Team\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@https:\/\/twitter.com\/Great_Learning\" \/>\n<meta name=\"twitter:site\" content=\"@Great_Learning\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Great Learning Editorial Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/strings-in-java\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/strings-in-java\\\/\"},\"author\":{\"name\":\"Great Learning Editorial Team\",\"@id\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/#\\\/schema\\\/person\\\/6f993d1be4c584a335951e836f2656ad\"},\"headline\":\"Strings in Java: Creation, Methods &amp; Best Practices\",\"datePublished\":\"2021-03-23T10:13:07+00:00\",\"dateModified\":\"2025-06-18T08:10:40+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/strings-in-java\\\/\"},\"wordCount\":555,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/strings-in-java\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/wp-content\\\/uploads\\\/2021\\\/03\\\/shutterstock_1177872616.jpg\",\"keywords\":[\"java\"],\"articleSection\":[\"IT\\\/Software Development\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/strings-in-java\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/strings-in-java\\\/\",\"url\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/strings-in-java\\\/\",\"name\":\"Strings in Java: Creation, Methods &amp; Best Practices\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/strings-in-java\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/strings-in-java\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/wp-content\\\/uploads\\\/2021\\\/03\\\/shutterstock_1177872616.jpg\",\"datePublished\":\"2021-03-23T10:13:07+00:00\",\"dateModified\":\"2025-06-18T08:10:40+00:00\",\"description\":\"Learn to create, compare, manipulate Java strings with examples. Covers immutability, common methods, and best practices for string handling in Java.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/strings-in-java\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/strings-in-java\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/strings-in-java\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/wp-content\\\/uploads\\\/2021\\\/03\\\/shutterstock_1177872616.jpg\",\"contentUrl\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/wp-content\\\/uploads\\\/2021\\\/03\\\/shutterstock_1177872616.jpg\",\"width\":1000,\"height\":667,\"caption\":\"strings in java\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/strings-in-java\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Blog\",\"item\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"IT\\\/Software Development\",\"item\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/software\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Strings in Java: Creation, Methods &amp; Best Practices\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/\",\"name\":\"Great Learning Blog\",\"description\":\"Learn, Upskill &amp; Career Development Guide and Resources\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/#organization\"},\"alternateName\":\"Great Learning\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/#organization\",\"name\":\"Great Learning\",\"url\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/wp-content\\\/uploads\\\/2022\\\/06\\\/GL-Logo.jpg\",\"contentUrl\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/wp-content\\\/uploads\\\/2022\\\/06\\\/GL-Logo.jpg\",\"width\":900,\"height\":900,\"caption\":\"Great Learning\"},\"image\":{\"@id\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/GreatLearningOfficial\\\/\",\"https:\\\/\\\/x.com\\\/Great_Learning\",\"https:\\\/\\\/www.instagram.com\\\/greatlearningofficial\\\/\",\"https:\\\/\\\/www.linkedin.com\\\/school\\\/great-learning\\\/\",\"https:\\\/\\\/in.pinterest.com\\\/greatlearning12\\\/\",\"https:\\\/\\\/www.youtube.com\\\/user\\\/beaconelearning\\\/\"],\"description\":\"Great Learning is a leading global ed-tech company for professional training and higher education. It offers comprehensive, industry-relevant, hands-on learning programs across various business, technology, and interdisciplinary domains driving the digital economy. These programs are developed and offered in collaboration with the world's foremost academic institutions.\",\"email\":\"info@mygreatlearning.com\",\"legalName\":\"Great Learning Education Services Pvt. Ltd\",\"foundingDate\":\"2013-11-29\",\"numberOfEmployees\":{\"@type\":\"QuantitativeValue\",\"minValue\":\"1001\",\"maxValue\":\"5000\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/#\\\/schema\\\/person\\\/6f993d1be4c584a335951e836f2656ad\",\"name\":\"Great Learning Editorial Team\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/wp-content\\\/uploads\\\/2022\\\/02\\\/unnamed.webp\",\"url\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/wp-content\\\/uploads\\\/2022\\\/02\\\/unnamed.webp\",\"contentUrl\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/wp-content\\\/uploads\\\/2022\\\/02\\\/unnamed.webp\",\"caption\":\"Great Learning Editorial Team\"},\"description\":\"The Great Learning Editorial Staff includes a dynamic team of subject matter experts, instructors, and education professionals who combine their deep industry knowledge with innovative teaching methods. Their mission is to provide learners with the skills and insights needed to excel in their careers, whether through upskilling, reskilling, or transitioning into new fields.\",\"sameAs\":[\"https:\\\/\\\/www.mygreatlearning.com\\\/\",\"https:\\\/\\\/in.linkedin.com\\\/school\\\/great-learning\\\/\",\"https:\\\/\\\/x.com\\\/https:\\\/\\\/twitter.com\\\/Great_Learning\",\"https:\\\/\\\/www.youtube.com\\\/channel\\\/UCObs0kLIrDjX2LLSybqNaEA\"],\"award\":[\"Best EdTech Company of the Year 2024\",\"Education Economictimes Outstanding Education\\\/Edtech Solution Provider of the Year 2024\",\"Leading E-learning Platform 2024\"],\"url\":\"https:\\\/\\\/www.mygreatlearning.com\\\/blog\\\/author\\\/greatlearning\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Strings in Java: Creation, Methods &amp; Best Practices","description":"Learn to create, compare, manipulate Java strings with examples. Covers immutability, common methods, and best practices for string handling in Java.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.mygreatlearning.com\/blog\/strings-in-java\/","og_locale":"en_US","og_type":"article","og_title":"Strings in Java: Creation, Methods &amp; Best Practices","og_description":"Learn to create, compare, manipulate Java strings with examples. Covers immutability, common methods, and best practices for string handling in Java.","og_url":"https:\/\/www.mygreatlearning.com\/blog\/strings-in-java\/","og_site_name":"Great Learning Blog: Free Resources what Matters to shape your Career!","article_publisher":"https:\/\/www.facebook.com\/GreatLearningOfficial\/","article_published_time":"2021-03-23T10:13:07+00:00","article_modified_time":"2025-06-18T08:10:40+00:00","og_image":[{"width":1000,"height":667,"url":"http:\/\/www.mygreatlearning.com\/blog\/wp-content\/uploads\/2021\/03\/shutterstock_1177872616.jpg","type":"image\/jpeg"}],"author":"Great Learning Editorial Team","twitter_card":"summary_large_image","twitter_creator":"@https:\/\/twitter.com\/Great_Learning","twitter_site":"@Great_Learning","twitter_misc":{"Written by":"Great Learning Editorial Team","Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.mygreatlearning.com\/blog\/strings-in-java\/#article","isPartOf":{"@id":"https:\/\/www.mygreatlearning.com\/blog\/strings-in-java\/"},"author":{"name":"Great Learning Editorial Team","@id":"https:\/\/www.mygreatlearning.com\/blog\/#\/schema\/person\/6f993d1be4c584a335951e836f2656ad"},"headline":"Strings in Java: Creation, Methods &amp; Best Practices","datePublished":"2021-03-23T10:13:07+00:00","dateModified":"2025-06-18T08:10:40+00:00","mainEntityOfPage":{"@id":"https:\/\/www.mygreatlearning.com\/blog\/strings-in-java\/"},"wordCount":555,"commentCount":0,"publisher":{"@id":"https:\/\/www.mygreatlearning.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.mygreatlearning.com\/blog\/strings-in-java\/#primaryimage"},"thumbnailUrl":"https:\/\/www.mygreatlearning.com\/blog\/wp-content\/uploads\/2021\/03\/shutterstock_1177872616.jpg","keywords":["java"],"articleSection":["IT\/Software Development"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.mygreatlearning.com\/blog\/strings-in-java\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.mygreatlearning.com\/blog\/strings-in-java\/","url":"https:\/\/www.mygreatlearning.com\/blog\/strings-in-java\/","name":"Strings in Java: Creation, Methods &amp; Best Practices","isPartOf":{"@id":"https:\/\/www.mygreatlearning.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.mygreatlearning.com\/blog\/strings-in-java\/#primaryimage"},"image":{"@id":"https:\/\/www.mygreatlearning.com\/blog\/strings-in-java\/#primaryimage"},"thumbnailUrl":"https:\/\/www.mygreatlearning.com\/blog\/wp-content\/uploads\/2021\/03\/shutterstock_1177872616.jpg","datePublished":"2021-03-23T10:13:07+00:00","dateModified":"2025-06-18T08:10:40+00:00","description":"Learn to create, compare, manipulate Java strings with examples. Covers immutability, common methods, and best practices for string handling in Java.","breadcrumb":{"@id":"https:\/\/www.mygreatlearning.com\/blog\/strings-in-java\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.mygreatlearning.com\/blog\/strings-in-java\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.mygreatlearning.com\/blog\/strings-in-java\/#primaryimage","url":"https:\/\/www.mygreatlearning.com\/blog\/wp-content\/uploads\/2021\/03\/shutterstock_1177872616.jpg","contentUrl":"https:\/\/www.mygreatlearning.com\/blog\/wp-content\/uploads\/2021\/03\/shutterstock_1177872616.jpg","width":1000,"height":667,"caption":"strings in java"},{"@type":"BreadcrumbList","@id":"https:\/\/www.mygreatlearning.com\/blog\/strings-in-java\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Blog","item":"https:\/\/www.mygreatlearning.com\/blog\/"},{"@type":"ListItem","position":2,"name":"IT\/Software Development","item":"https:\/\/www.mygreatlearning.com\/blog\/software\/"},{"@type":"ListItem","position":3,"name":"Strings in Java: Creation, Methods &amp; Best Practices"}]},{"@type":"WebSite","@id":"https:\/\/www.mygreatlearning.com\/blog\/#website","url":"https:\/\/www.mygreatlearning.com\/blog\/","name":"Great Learning Blog","description":"Learn, Upskill &amp; Career Development Guide and Resources","publisher":{"@id":"https:\/\/www.mygreatlearning.com\/blog\/#organization"},"alternateName":"Great Learning","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.mygreatlearning.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.mygreatlearning.com\/blog\/#organization","name":"Great Learning","url":"https:\/\/www.mygreatlearning.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.mygreatlearning.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.mygreatlearning.com\/blog\/wp-content\/uploads\/2022\/06\/GL-Logo.jpg","contentUrl":"https:\/\/www.mygreatlearning.com\/blog\/wp-content\/uploads\/2022\/06\/GL-Logo.jpg","width":900,"height":900,"caption":"Great Learning"},"image":{"@id":"https:\/\/www.mygreatlearning.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/GreatLearningOfficial\/","https:\/\/x.com\/Great_Learning","https:\/\/www.instagram.com\/greatlearningofficial\/","https:\/\/www.linkedin.com\/school\/great-learning\/","https:\/\/in.pinterest.com\/greatlearning12\/","https:\/\/www.youtube.com\/user\/beaconelearning\/"],"description":"Great Learning is a leading global ed-tech company for professional training and higher education. It offers comprehensive, industry-relevant, hands-on learning programs across various business, technology, and interdisciplinary domains driving the digital economy. These programs are developed and offered in collaboration with the world's foremost academic institutions.","email":"info@mygreatlearning.com","legalName":"Great Learning Education Services Pvt. Ltd","foundingDate":"2013-11-29","numberOfEmployees":{"@type":"QuantitativeValue","minValue":"1001","maxValue":"5000"}},{"@type":"Person","@id":"https:\/\/www.mygreatlearning.com\/blog\/#\/schema\/person\/6f993d1be4c584a335951e836f2656ad","name":"Great Learning Editorial Team","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.mygreatlearning.com\/blog\/wp-content\/uploads\/2022\/02\/unnamed.webp","url":"https:\/\/www.mygreatlearning.com\/blog\/wp-content\/uploads\/2022\/02\/unnamed.webp","contentUrl":"https:\/\/www.mygreatlearning.com\/blog\/wp-content\/uploads\/2022\/02\/unnamed.webp","caption":"Great Learning Editorial Team"},"description":"The Great Learning Editorial Staff includes a dynamic team of subject matter experts, instructors, and education professionals who combine their deep industry knowledge with innovative teaching methods. Their mission is to provide learners with the skills and insights needed to excel in their careers, whether through upskilling, reskilling, or transitioning into new fields.","sameAs":["https:\/\/www.mygreatlearning.com\/","https:\/\/in.linkedin.com\/school\/great-learning\/","https:\/\/x.com\/https:\/\/twitter.com\/Great_Learning","https:\/\/www.youtube.com\/channel\/UCObs0kLIrDjX2LLSybqNaEA"],"award":["Best EdTech Company of the Year 2024","Education Economictimes Outstanding Education\/Edtech Solution Provider of the Year 2024","Leading E-learning Platform 2024"],"url":"https:\/\/www.mygreatlearning.com\/blog\/author\/greatlearning\/"}]}},"uagb_featured_image_src":{"full":["https:\/\/www.mygreatlearning.com\/blog\/wp-content\/uploads\/2021\/03\/shutterstock_1177872616.jpg",1000,667,false],"thumbnail":["https:\/\/www.mygreatlearning.com\/blog\/wp-content\/uploads\/2021\/03\/shutterstock_1177872616-150x150.jpg",150,150,true],"medium":["https:\/\/www.mygreatlearning.com\/blog\/wp-content\/uploads\/2021\/03\/shutterstock_1177872616-300x200.jpg",300,200,true],"medium_large":["https:\/\/www.mygreatlearning.com\/blog\/wp-content\/uploads\/2021\/03\/shutterstock_1177872616-768x512.jpg",768,512,true],"large":["https:\/\/www.mygreatlearning.com\/blog\/wp-content\/uploads\/2021\/03\/shutterstock_1177872616.jpg",1000,667,false],"1536x1536":["https:\/\/www.mygreatlearning.com\/blog\/wp-content\/uploads\/2021\/03\/shutterstock_1177872616.jpg",1000,667,false],"2048x2048":["https:\/\/www.mygreatlearning.com\/blog\/wp-content\/uploads\/2021\/03\/shutterstock_1177872616.jpg",1000,667,false],"web-stories-poster-portrait":["https:\/\/www.mygreatlearning.com\/blog\/wp-content\/uploads\/2021\/03\/shutterstock_1177872616-640x667.jpg",640,667,true],"web-stories-publisher-logo":["https:\/\/www.mygreatlearning.com\/blog\/wp-content\/uploads\/2021\/03\/shutterstock_1177872616-96x96.jpg",96,96,true],"web-stories-thumbnail":["https:\/\/www.mygreatlearning.com\/blog\/wp-content\/uploads\/2021\/03\/shutterstock_1177872616-150x100.jpg",150,100,true]},"uagb_author_info":{"display_name":"Great Learning Editorial Team","author_link":"https:\/\/www.mygreatlearning.com\/blog\/author\/greatlearning\/"},"uagb_comment_info":0,"uagb_excerpt":"A Java String is an object that represents a sequence of characters. It stores and manipulates text data. You use this to build Java applications.","_links":{"self":[{"href":"https:\/\/www.mygreatlearning.com\/blog\/wp-json\/wp\/v2\/posts\/28259","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mygreatlearning.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mygreatlearning.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mygreatlearning.com\/blog\/wp-json\/wp\/v2\/users\/41"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mygreatlearning.com\/blog\/wp-json\/wp\/v2\/comments?post=28259"}],"version-history":[{"count":10,"href":"https:\/\/www.mygreatlearning.com\/blog\/wp-json\/wp\/v2\/posts\/28259\/revisions"}],"predecessor-version":[{"id":109190,"href":"https:\/\/www.mygreatlearning.com\/blog\/wp-json\/wp\/v2\/posts\/28259\/revisions\/109190"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mygreatlearning.com\/blog\/wp-json\/wp\/v2\/media\/28268"}],"wp:attachment":[{"href":"https:\/\/www.mygreatlearning.com\/blog\/wp-json\/wp\/v2\/media?parent=28259"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mygreatlearning.com\/blog\/wp-json\/wp\/v2\/categories?post=28259"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mygreatlearning.com\/blog\/wp-json\/wp\/v2\/tags?post=28259"},{"taxonomy":"content_type","embeddable":true,"href":"https:\/\/www.mygreatlearning.com\/blog\/wp-json\/wp\/v2\/content_type?post=28259"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}