How To Compile A Java Program

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Some basics:

Java platform components: Java application programming interfaces (APIs) and the Java1 virtual machine (JVM).
Java programs are run (or interpreted) by another program called the Java VM.

Steps:

First need to install the Java platform on your computer system.
- After installing, be sure that the path to the JavaC?Create is part of your path, for example:

     C:\Program Files\Java\jdk1.5.0_11\bin

Sample Java program, save as ExampleProgram?Create.Java:

//A Very Simple Example
class ExampleProgram {
  public static void main(String[] args){
    System.out.println("I'm a Simple Program");
  }
}

The Java compiler converts this program into a bytecode that the Java VM on any machine can understand:

The Java compiler is invoked at the command line on Unix and DOS shell operating systems as follows:

  javac ExampleProgram?Create.java

Running the program:

  java ExampleProgram?Create

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