The command is "javac".
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The Java compiler translates Java source code to Java byte code.
A Java application can accept any number of arguments from the command line. This allows the user to specify configuration information when the application is launched.The user enters command-line arguments when invoking the application and specifies them after the name of the class to be run.
The java interpreter or JVM (Java Virtual Machine) is not able to execute the java source code for a program. The java source code first needs to be compiled into bytecode that can be processed by JVM. Producing bytecode make the program platform independent as each platform has its own JVM. It is also possible to directly write bytecode, bypassing the need to compile, but that would be tedious job and also not good for security purpose as the compiler checks for various errors in a program.
It is simply called the Java compiler. The actual program is usually called Javac.
You must have the Java Run-time Environment installed on your computer. Steps: 1. Open Command Prompt 2. Enter the command: javac class.java 3. Enter the command: java <classfilename> (without the .java or .class extension) The javac command will compile your java source file and create a class file. The java command will execute or run your java class file.