import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;

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

    public boolean compareCode(String s) {
        return s.equals(code);
    }

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

    public String getCode() {
        return code;
    }
}