jsrpy/HelloWorld.java

## README.md

      
    Raw
  

              README.md
            
          
    Java Hello World on MacOS Sierra (10.12.6)

Copy and Create hello.java

On terminal/bash, first compile the program then run it:

javac hello.java
java hello

You should see 'Hello World' printed to your console.
Print Hello World in a GUI


Copy and create HelloWorld.java
Download acm.jar and put it in the same folder as your java files.
javac -cp acm.jar HelloWorld.java
java -cp acm.jar: HelloWorld

You should see a GUI coming out and prints 'Hello World' there.
These steps may or may not work in other environment, due to the variances in command line syntax of the java compiler/interpreter.
java --version

java version "10.0.1" 2018-04-17
Java(TM) SE Runtime Environment 18.3 (build 10.0.1+10)
Java HotSpot(TM) 64-Bit Server VM 18.3 (build 10.0.1+10, mixed mode)

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

## HelloWorld.java
import acm.program.*;

public class HelloWorld extends ConsoleProgram {
    public void run() {
        println("Hello World!");
    }
}
	public class hello{
	public static void main(String[] args) {
	System.out.println("Hello World!");
	}
	}
	import acm.program.*;

	public class HelloWorld extends ConsoleProgram {
	public void run() {
	println("Hello World!");
	}
	}