public static void main(String[] args) {
Deque<String> Ds = new LinkedDeque<String>();
Ds.pushLeft("Hello");
Ds.pushRight("KevinRight");
Ds.pushLeft("KevinLeft");
System.out.println("Three Pushes - " + Ds.toString());
Ds.popLeft();
System.out.println("Popped Left - " + Ds.toString());
Ds.pushRight("188");
System.out.println("Push Right - " + Ds.toString());
Ds.popRight();
System.out.println("Pop Right - " + Ds.toString());
System.out.println(Ds.toString());
Ds.pushRight("KevinRight2");
System.out.println(Ds.toString() + " Stack Size: " + Ds.size());
Ds.popLeft();
Ds.popLeft();
System.out.println("Popping until empty: " + Ds.toString());
// Ds.popRight(); // Uncomment for error messages.
}
