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

public class PairArray implements Pair {

private int[] elems;

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

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

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

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

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

}