3. The IntArrayBag class stores an array, and public class IntArrayBag il the example given uses arbitrary values {20, 10, 50, 30;. The remove0 method receives a target value and, if found, replaces the target value with the last value public boolean remove(int target) inthe array. Forexample, the main method intindex=0;. // Target location private int [ ] data = {20, 10, 50, 30); private int manyItems-4; /7 Search until target while ((index