CS计算机代考程序代写 public class PairArray implements Pair {

public class PairArray implements Pair {

private S[] elems;

@SuppressWarnings(“unchecked”)

public PairArray(S first, S second) {
elems = (S[]) new Object[2];
elems[0] = first;
elems[1] = second;
}

public S getFirst() {
return elems[0];
}

public S getSecond() {
return elems[1];
}

public void setFirst(S value) {
elems[0] = value;
}

public void setSecond(S value) {
elems[1]= value;
}

}