Ex 5 a) - Lab POO

package Lab04;

import java.util.Hashtable;

/**
 *
 * @author Nan Mihai
 */
public class HSet extends Hashtable{

    public void add(Object o) {
        super.put(o, o);
    }

    @Override
    public boolean contains(Object o) {
        return super.contains(o);
    }

    public int size() {
        return super.size();
    }

    public String toString() {
        return super.toString();
    }

    public void afisare(int x) {
        boolean ok;
        ok = this.contains(x);
        if(ok) {
            System.out.println("Elementul " + x + " se afla in HSet!");
        } else {
            System.out.println("Elementul " + x + " nu se afla in HSet!");
        }
    }

    public static void main( String args[] ) {
        boolean ok;
        int x;
        x = 0;
        HSet M = new HSet();
        for(int i = 0; i < 100; i++) {
            x = (int) Math.round(Math.random()*1000);
            M.add(x);
        }
        System.out.println(M);
        M.afisare(x);
        M.afisare(158);
    }
}