Welcome world with Java ☕

This is a simple "Welcome world" done with Java programming language.

Source code

This is the source code of the program:

public class WelcomeWorld {
  public static void main(String[] args) {
    System.out.println("Welcome world!");
  }
}

Notice that System.out.println("Welcome world!"); shows the string "Welcome world!" on the screen.

Compile program

To compile the "Welcome World" program, type the following:

javac WelcomeWorld.java

Configure classpath to run program

To configure classpath to run program, type this: FOR WINDOWS

set classpath=%classpath%;%JAVA_HOME%

FOR LINUX

export CLASSPATH=$CLASSPATH;$JAVA_HOME

Excute the program

To execute the program, type this:

java WelcomeWorld