![]() Note that the Java compiler (javac) also facilitates to compile multiple. The compiler's job is to translate Java source files into "class files" that the virtual machine can execute. However, the Java virtual machine cannot execute. The Java compiler doesn't execute the Java program - that is the job of the Java virtual machine. As said earlier, the Java bytecode is the intermediate representation of HelloWorld.java program that contains instructions the Java interpreter will execute. The javac compiler creates a file called HelloWorld.class that contains the bytecode version of the program. Now, compile HelloWorld.java as ~]# javac HelloWorld.java ![]() It includes the JRE (Java Runtime Environment), set of API classes, Java compiler, Webstart and additional files needed to write Java applets and applications. ![]() JDK is a bundle of software needed for developing Java applications. Java compiler comes with JDK (Java Development Kit). To compile a Java program from command line we need to invoke the Java compiler by supplying javac command. Once the Java program is written and saved, first, it has to be compiled. ![]()
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