YouTube Heal Code

package me.WhiteWolfGFX.Heal;

import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.event.Listener;
import org.bukkit.plugin.java.JavaPlugin;

public class Main extends JavaPlugin implements Listener {

    public void onEnable() {

        getCommand("Heal").setExecutor(this);

        System.out.println("YouTube Heal Enabled!");

    }
    @Override
    public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
        Player player = (Player) sender;
        if(args.length == 1) {
            Player target = Bukkit.getPlayer(args[0]);
            if(target == null) {
                player.sendMessage(ChatColor.RED + "[YouTube] This player is currently offline!");
            }
            target.setHealth(20L);
            target.setFoodLevel(20);
            target.sendMessage(ChatColor.GREEN + "[YouTube] You have been healed by " + player.getName() + "!");
        }
        return false;
    }

}