Arreglo



public class FrecData {
private int num=0;
private int frec=0;

public void setNum(int num) {
this.num = num;
}
public int getNum() {
return num;
}
public void setFrec(int frec) {
this.frec = frec;
}
public int getFrec() {
return frec;
}
public void inc(){
frec++;
}

}