<![CDATA[public class LLStack {
private java.util.LinkedList list = new java.util.LinkedList();
public LLStack() {
}
public void clear() {
list.clear();
}
public boolean isEmpty() {
return list.isEmpty();
}
public Object topEl() {
return list.getLast();
}
public Object pop() {
return list.removeLast();
}
public void push(Object el) {
list.add(el);
}
public String toString() {
return list.toString();
}
}
]]>