{"id":135098,"date":"2024-04-22T10:22:50","date_gmt":"2024-04-22T04:52:50","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=135098"},"modified":"2024-04-22T10:22:50","modified_gmt":"2024-04-22T04:52:50","slug":"java-program-on-mutable-class-and-stringbuffer-class","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/java-program-on-mutable-class-and-stringbuffer-class\/","title":{"rendered":"Java Program on Mutable Class and StringBuffer Class"},"content":{"rendered":"<h3>Program 1<\/h3>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\">package dataflair;\r\n\r\npublic class TestBuffer \r\n{\r\n    public static void main(String[] args) \r\n    {\r\n\/\/       String S=\"Data Flair Free Course\";\/\/ immutable\r\n\/\/       S.concat(\"Indore\");\r\n\/\/       System.out.println(S);\r\n        \r\n       StringBuffer sb=new StringBuffer(\"Data Flair Free Course\");\r\n       \/\/System.out.println(sb.substring(5,10));\r\n        \/\/sb.deleteCharAt(5);\r\n        sb.delete(5,10);\r\n        System.out.println(sb);\r\n        \/\/System.out.println(sb.charAt(5));\r\n        \/\/ StringBuffer sb=new StringBuffer(\"Data Flair\");\r\n        \/\/ System.out.println(sb.capacity());\r\n        \/\/ System.out.println(sb.length());\r\n        \/\/System.out.println(sb);\r\n       \/\/ sb.append(\" Indore\");\r\n       \/\/ System.out.println(sb);\r\n        \/\/sb.insert(10, \" Complete\");\r\n       \/\/ System.out.println(sb);\r\n        \/\/ sb.replace(3, 7, \"ABCDEF\");\r\n\/\/        sb.reverse();\r\n\/\/        System.out.println(sb);\r\n        \r\n    }\r\n    \r\n}<\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Program 1 package dataflair; public class TestBuffer { public static void main(String[] args) { \/\/ String S=&#8221;Data Flair Free Course&#8221;;\/\/ immutable \/\/ S.concat(&#8220;Indore&#8221;); \/\/ System.out.println(S); StringBuffer sb=new StringBuffer(&#8220;Data Flair Free Course&#8221;); \/\/System.out.println(sb.substring(5,10)); \/\/sb.deleteCharAt(5); sb.delete(5,10);&#46;&#46;&#46;<\/p>\n","protected":false},"author":86671,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[7345,31487,29859,29858,31486,31488],"class_list":["post-135098","post","type-post","status-publish","format-standard","hentry","category-java","tag-java","tag-java-mutable-class-and-stringbuffer-class","tag-java-practical","tag-java-program","tag-java-program-on-mutable-class-and-stringbuffer-class","tag-mutable-and-stringbuffer-class-in-java"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Java Program on Mutable Class and StringBuffer Class - DataFlair<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/data-flair.training\/blogs\/java-program-on-mutable-class-and-stringbuffer-class\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java Program on Mutable Class and StringBuffer Class - DataFlair\" \/>\n<meta property=\"og:description\" content=\"Program 1 package dataflair; public class TestBuffer { public static void main(String[] args) { \/\/ String S=&quot;Data Flair Free Course&quot;;\/\/ immutable \/\/ S.concat(&quot;Indore&quot;); \/\/ System.out.println(S); StringBuffer sb=new StringBuffer(&quot;Data Flair Free Course&quot;); \/\/System.out.println(sb.substring(5,10)); \/\/sb.deleteCharAt(5); sb.delete(5,10);&#046;&#046;&#046;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/data-flair.training\/blogs\/java-program-on-mutable-class-and-stringbuffer-class\/\" \/>\n<meta property=\"og:site_name\" content=\"DataFlair\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/DataFlairWS\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-04-22T04:52:50+00:00\" \/>\n<meta name=\"author\" content=\"TechVidvan Team\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@DataFlairWS\" \/>\n<meta name=\"twitter:site\" content=\"@DataFlairWS\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"TechVidvan Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Java Program on Mutable Class and StringBuffer Class - DataFlair","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:\/\/data-flair.training\/blogs\/java-program-on-mutable-class-and-stringbuffer-class\/","og_locale":"en_US","og_type":"article","og_title":"Java Program on Mutable Class and StringBuffer Class - DataFlair","og_description":"Program 1 package dataflair; public class TestBuffer { public static void main(String[] args) { \/\/ String S=\"Data Flair Free Course\";\/\/ immutable \/\/ S.concat(\"Indore\"); \/\/ System.out.println(S); StringBuffer sb=new StringBuffer(\"Data Flair Free Course\"); \/\/System.out.println(sb.substring(5,10)); \/\/sb.deleteCharAt(5); sb.delete(5,10);&#46;&#46;&#46;","og_url":"https:\/\/data-flair.training\/blogs\/java-program-on-mutable-class-and-stringbuffer-class\/","og_site_name":"DataFlair","article_publisher":"https:\/\/www.facebook.com\/DataFlairWS\/","article_published_time":"2024-04-22T04:52:50+00:00","author":"TechVidvan Team","twitter_card":"summary_large_image","twitter_creator":"@DataFlairWS","twitter_site":"@DataFlairWS","twitter_misc":{"Written by":"TechVidvan Team","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/data-flair.training\/blogs\/java-program-on-mutable-class-and-stringbuffer-class\/#article","isPartOf":{"@id":"https:\/\/data-flair.training\/blogs\/java-program-on-mutable-class-and-stringbuffer-class\/"},"author":{"name":"TechVidvan Team","@id":"https:\/\/data-flair.training\/blogs\/#\/schema\/person\/0e594f928e31fc96628ac40f6ae74f49"},"headline":"Java Program on Mutable Class and StringBuffer Class","datePublished":"2024-04-22T04:52:50+00:00","mainEntityOfPage":{"@id":"https:\/\/data-flair.training\/blogs\/java-program-on-mutable-class-and-stringbuffer-class\/"},"wordCount":10,"commentCount":0,"publisher":{"@id":"https:\/\/data-flair.training\/blogs\/#organization"},"keywords":["Java","java mutable class and stringbuffer class","java practical","java program","java program on mutable class and stringbuffer class","mutable and stringbuffer class in java"],"articleSection":["Java Tutorials"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/data-flair.training\/blogs\/java-program-on-mutable-class-and-stringbuffer-class\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/data-flair.training\/blogs\/java-program-on-mutable-class-and-stringbuffer-class\/","url":"https:\/\/data-flair.training\/blogs\/java-program-on-mutable-class-and-stringbuffer-class\/","name":"Java Program on Mutable Class and StringBuffer Class - DataFlair","isPartOf":{"@id":"https:\/\/data-flair.training\/blogs\/#website"},"datePublished":"2024-04-22T04:52:50+00:00","breadcrumb":{"@id":"https:\/\/data-flair.training\/blogs\/java-program-on-mutable-class-and-stringbuffer-class\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/data-flair.training\/blogs\/java-program-on-mutable-class-and-stringbuffer-class\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/data-flair.training\/blogs\/java-program-on-mutable-class-and-stringbuffer-class\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Blog Home","item":"https:\/\/data-flair.training\/blogs\/"},{"@type":"ListItem","position":2,"name":"Java Tutorials","item":"https:\/\/data-flair.training\/blogs\/category\/java\/"},{"@type":"ListItem","position":3,"name":"Java Program on Mutable Class and StringBuffer Class"}]},{"@type":"WebSite","@id":"https:\/\/data-flair.training\/blogs\/#website","url":"https:\/\/data-flair.training\/blogs\/","name":"DataFlair","description":"Learn Today. 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