Need Help With Plugin

I dont know what i am doing worng but i want my plugin to have 3 set spots and for a player to get teleported to one of the spots at random can some one help he is my code so far
package me.Chris.Tele;

import java.util.Random;

import org.bukkit.Location;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.plugin.java.JavaPlugin;




public class Tele extends JavaPlugin
{
public void onEnable()
{
}

public void onDisable()
{
}

public boolean onCommand(CommandSender sender, Command cmd, String commandLabel, String[] args){
Player player = (Player) sender;
if (commandLabel.equalsIgnoreCase("Tr")){
if(args.length == 1)
player = player.getServer().getPlayer(args[0]);
player.getWorld();
Location targetPlayerLocation = player.getLocation();
player.teleport(targetPlayerLocation);
player.teleport(new Location(null, 100, 60, 100));
player.teleport(new Location(null, 160, 60, 160));
player.teleport(new Location(null, 120, 60, 120));
Random rand = new Random();
int randInt = rand.nextInt(2);

switch(randInt) {
case 0: // teleport to first out of three locations
break;

case 1: // teleport to second out of three locations
break;

case 2: // teleport to third out of three locations
break;
}
}


returnfalse;
}

}

CAn Some One Plzz Help Me

EDIT by Moderator: merged posts, please use the edit button instead of double posting.

 

There is already a plugin out there which does this exact thing: RandomTeleporter