import java.util.concurrent.locks.*;

public class Kode {
    private String code;
    private Lock laas = new ReentrantLock();

    public void addCode(String c) {
        laas.lock();
        try {
            code = c;
        } finally {
            laas.unlock();
        }
    }

    public boolean checkCode(String check) {
        return code.equals(check);
    }

    public String getCode() {
        return code;
    }
}