code

public class playerclear_COMMAND implements CommandExecutor {

	private main plugin;
	private String usage = "§cBitte nutze /clear <Player>";

	public playerclear_COMMAND(main Main) {
		this.plugin = Main;
	}

	@Override
	public boolean onCommand(CommandSender cs, Command c, String label, String[] args) {
		if (cs instanceof Player) {
			Player p = (Player) cs;
			if (p.hasPermission("Clear.PlayerClear")) {
				if (args.length == 0) {
					p.sendMessage(usage);
				}
				if(args.length == 1) {
					Player target = args[0];
					target.getInventory().clear();
				}
			} else {
				p.sendMessage(plugin.noperm);
			}
		} else {
				cs.sendMessage(plugin.noplayer);
			}
		return true;
	}

}





Klasse main:
public String noperm = "§cDu hast keine Permissions dafür";
public String noplayer = "§cDu musst ein Spieler sein um diesen Befehl ausführen zu können";