Wednesday, September 14, 2011

First Java Program

Get going with java! Start with this program that prints "Hello World".

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package org.megha.blog.example.part1;

/**
 * This class prints "Hello World".
 *
 * <p>
 * If you are not using eclipse or another IDE, 
 * here are the commands to execute to compile
 * and run your first java program.
 * <p>
 * To compile (run the command after $ 
 * in java-through-examples/ directory)
 * <pre>
 * $ javac -d bin -s src src/org/megha/blog/example/part1/*
 * </pre>
 * <p>
 * To run (from the same folder, ie. java-through-examples/)
 * <pre>
 * $ java -classpath bin \
 *      org.megha.blog.example.part1.HelloWorld
 * </pre>
 */
public class HelloWorld {

        public static void main(String args[]) {
                System.out.println("Hello World");
        }
}

3 comments:

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