Figure 5: Tests DynamicStack
class StackTest2 { public static void main(String[] args) { DynamicStack s = new DynamicStack(); doTest(s); } public static void doTest(DynamicStack s) { // No exceptions to check here: System.out.println("Initial size = " + s.size()); s.push("one"); s.push(new Integer(2)); s.push(new Float(3.0)); s.push("one too many"); try { System.out.println("Top: " + s.top()); System.out.println("Popping..."); while (s.size() > 0) System.out.println(s.pop()); } catch(StackException x) { throw new InternalError(x.toString()); } } } /* Output: Initial size = 0 Top: one too many Popping... one too many 3.0 2 one */