Mine

/* worldSwitcher.java
* Created: Friday, December 28, 2007
* By: Mod Adam
* Description: This program will allow a user to click on
* a RuneScape World, and it will then open the users
* browser and bring you to that World. */

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.*;
import java.util.Arrays;


public class worldSwitcher extends JFrame {
    public static void main(String[] args) {
	worldSwitcher frame = new worldSwitcher();

	frame.setTitle("RuneScape World Switcher by Mod Adam"); //Title
	frame.setSize(750, 710); //Width, Height
	frame.setVisible(true);
	frame.setDefaultCloseOperation(EXIT_ON_CLOSE);


    }

    public worldSwitcher() {
	setLayout(new FlowLayout());

	int[] memberWorldID = {2, 6, 9, 12, 18, 22, 23, 24, 26, 27, 28, 31, 36,
				39, 42, 44, 45, 46, 48, 53, 54, 56, 58, 59, 64,
				65, 66, 69, 70, 71, 76, 77, 78, 79, 82, 83, 84,
				88, 89, 91, 92, 97, 98, 99, 100, 103, 104, 110,
				111, 112, 114, 115, 116, 121, 124, 129, 130, 131,
				132, 137, 138, 143, 144, 145, 151, 157, 158, 159};

	int[] freeWorldID = {1, 3, 4, 5, 7, 8, 10, 11, 13, 14, 15, 16, 17, 19, 20,
				21, 25, 29, 30, 32, 33, 34, 35, 37, 38, 40, 41, 43,
				47, 50, 51, 52, 55, 57, 61, 62, 63, 67, 68, 72, 74,
				75, 80, 81, 85, 86, 87, 90, 93, 94, 95, 96, 101,
				102, 105, 106, 107, 108, 109, 113, 117, 118, 119,
				123, 125, 126, 127, 128, 133, 134, 136, 141, 142,
				149, 152, 153, 154, 155};

	Arrays.sort(memberWorldID);
	Arrays.sort(freeWorldID);

	int[] worlds = new int[memberWorldID.length + freeWorldID.length];
	System.arraycopy(memberWorldID, 0, worlds, 0, memberWorldID.length);
	System.arraycopy(freeWorldID, 0, worlds, memberWorldID.length, freeWorldID.length);

	Arrays.sort(worlds);

	for (int x = 0; x < worlds.length; x++) {
	    JButton fWorld = new JButton("World " + worlds[x]);
	    add(fWorld);
	}

    }
}