Code example for LinkedList

Methods: isEmptygetLast

0
        } 
        return stack.removeLast();
    } 
 
    public Entry peek() { 
        if (stack.isEmpty()) {
            return null; 
        } 
        return stack.getLast();
    } 
 
    public boolean isEmpty() { 
        return stack.isEmpty();
    } 
 
    public int size() { 
        return stack.size();
    } 
 
    public Entry get(int index) {
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