Hello.java

public class MyFirstPlugin extends JavaPlugin {

@Override
public void onEnable() {
getLogger().info("This Option Has Been Enabled Young One!");
}

@Override
public void onDisable() {

}


public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) {

if (cmd.getName().equalsIgnoreCase("hello") && sender instanceof Player) {

Player player = (Player) sender;

player.sendMessage(ChatColor.GREEN + "Hello, " + player.getName() + " !");

return true;

}

return false;

}

}