{"id":11540,"date":"2022-09-27T19:50:16","date_gmt":"2022-09-27T14:20:16","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-compile-single-java-file-with-two-classes-into-two-class-files-closed\/"},"modified":"2022-09-27T19:50:16","modified_gmt":"2022-09-27T14:20:16","slug":"solved-compile-single-java-file-with-two-classes-into-two-class-files-closed","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-compile-single-java-file-with-two-classes-into-two-class-files-closed\/","title":{"rendered":"[Solved] Compile single .java file with two classes into two .class files [closed]"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-19213205\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"19213205\" data-parentid=\"19212640\" data-score=\"1\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>I am not sure what you are doing wrong so I will just show you how it can be done.<\/p>\n<p>Lets say you have directories and files<\/p>\n<pre><code>[myProject]\n  |\n  +--[src]\n  |    |\n  |    +--[com]\n  |        |\n  |        +--[DatingService]\n  |            |\n  |            +-- Main.java\n  |\n  +--[classes]\n<\/code><\/pre>\n<p>and your Main.java file looks something like<\/p>\n<pre><code>package com.DatingService;\n\nclass c{\n    private int i;\n    public void setI(int i){\n        this.i=i;\n    }\n    public int getI(){\n        return this.i;\n    }\n}\n\npublic class Main{\n    public static void main(String[] args){\n        c myCVariable = new c();\n\n        myCVariable.setI(10);\n        System.out.println(myCVariable.getI());\n    }\n}\n<\/code><\/pre>\n<p>In terminal you need to go to <code>myProject<\/code> directory and from it use<\/p>\n<p>myProject&gt;<code>javac -d classes src\\com\\DatingService\\Main.java<\/code><\/p>\n<p>Thanks to <code>-d<\/code> (directory) parameter packages with all compiled classes should be placed in <code>classes<\/code> directory (note that <code>classes<\/code> directory must already exist). So <code>c.class<\/code> and <code>Main.class<\/code> will be placed in <code>myProject\\classes\\com\\DatingService<\/code>.<\/p>\n<p>Now to run <code>main<\/code> method from <code>Main<\/code> class you just need to provide information about directory that contains your packages (this is ClassPath) and also use <code>full.package.name.to.your.MainClass<\/code>. So you will have to add <code>-classpath classes<\/code> (or shorter <code>-cp classes<\/code>) parameter to your <code>java<\/code> command and run it like<\/p>\n<p>myProject&gt;<code>java -cp classes com.DatingService.Main<\/code><\/p>\n<p>(note: there is no <code>.java<\/code> suffix after <code>Main<\/code> class since JVM is running binaries stored in <code>.class<\/code> files, not code from <code>.java<\/code> files)<\/p>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">2<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved Compile single .java file with two classes into two .class files [closed] <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] I am not sure what you are doing wrong so I will just show you how it can be done. Lets say you have directories and files [myProject] | +&#8211;[src] | | | +&#8211;[com] | | | +&#8211;[DatingService] | | | +&#8211; Main.java | +&#8211;[classes] and your Main.java file looks something like package com.DatingService; &#8230; <a title=\"[Solved] Compile single .java file with two classes into two .class files [closed]\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-compile-single-java-file-with-two-classes-into-two-class-files-closed\/\" aria-label=\"More on [Solved] Compile single .java file with two classes into two .class files [closed]\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[519,2763,1167,323,3155],"class_list":["post-11540","post","type-post","status-publish","format-standard","hentry","category-solved","tag-class","tag-compiler-construction","tag-intellij-idea","tag-java","tag-runtimeexception"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>[Solved] Compile single .java file with two classes into two .class files [closed] - JassWeb<\/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:\/\/jassweb.com\/solved\/solved-compile-single-java-file-with-two-classes-into-two-class-files-closed\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Compile single .java file with two classes into two .class files [closed] - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] I am not sure what you are doing wrong so I will just show you how it can be done. Lets say you have directories and files [myProject] | +--[src] | | | +--[com] | | | +--[DatingService] | | | +-- Main.java | +--[classes] and your Main.java file looks something like package com.DatingService; ... 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