MyGStack.java
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import java.util.*; public class MyGStack<T> { private Vector<T> v; public MyGStack() { v = new Vector<T>(); } public void clear() { v.clear(); } public void push(T n) { v.addElement(n); } public T pop() { return v.remove(v.size()-1); } public boolean isEmpty() { return v.isEmpty(); } }