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n the below code, implementation of clone() for the IntSet class is wrong. Do the following: (a) Provide a correct implementation of clone() for IntSet,
n the below code, implementation of clone() for the IntSet class is wrong. Do the following: (a) Provide a correct implementation of clone() for IntSet, and give appropriate JUnit tests. (b) Correctly override hashCode() and equals(). ---- import java.util.*; public class IntSet implements Cloneable { private Listels; @Override public boolean equals(Object obj) { // Standard recipe if (!(obj instanceof IntSet)) return false; IntSet s = (IntSet) obj; return false; } @Override public int hashCode() { // see below return 42; } public IntSet () { els = new ArrayList (); } private IntSet (List list) { els = list; } @Override public IntSet clone() { return new IntSet (new ArrayList (els)); } }
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