Examples of java.util.EmptyStackException

java.util.EmptyStackException
Thrown by methods in the Stack class to indicate that the stack is empty. @author Jonathan Payne @version 1.21, 11/17/05 @see java.util.Stack @since JDK1.0

         * @throws EmptyStackException if the stack is empty
         */
        public T pop() throws EmptyStackException {
            int n = size();
            if (n <= 0) {
                throw new EmptyStackException();
            } else {
                return remove(n - 1);
            }
        }

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         * @throws EmptyStackException if the stack is empty
         */
        public T get() {
            int size = size();
            if (size == 0) {
                throw new EmptyStackException();
            }
            return get(size - 1);
        }

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         * @throws EmptyStackException if the stack is empty
         */
        public T remove() {
            int size = size();
            if (size == 0) {
                throw new EmptyStackException();
            }
            return remove(size - 1);
        }

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         * @throws EmptyStackException if the stack is empty
         */
        public T peek() throws EmptyStackException {
            int n = size();
            if (n <= 0) {
                throw new EmptyStackException();
            } else {
                return get(n - 1);
            }
        }

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         * @throws EmptyStackException if there are not enough items on the stack to satisfy this request
         */
        public T peek(int n) throws EmptyStackException {
            int m = (size() - n) - 1;
            if (m < 0) {
                throw new EmptyStackException();
            } else {
                return get(m);
            }
        }

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         * @throws EmptyStackException if the stack is empty
         */
        public T pop() throws EmptyStackException {
            int n = size();
            if (n <= 0) {
                throw new EmptyStackException();
            } else {
                return remove(n - 1);
            }
        }

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         * @throws EmptyStackException if the stack is empty
         */
        public T get() {
            int size = size();
            if (size == 0) {
                throw new EmptyStackException();
            }
            return get(size - 1);
        }

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         * @throws EmptyStackException if the stack is empty
         */
        public T remove() {
            int size = size();
            if (size == 0) {
                throw new EmptyStackException();
            }
            return remove(size - 1);
        }

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        ArrayStack<Object> namedStack = stacksByName.get(stackName);
        if (namedStack == null) {
            if (log.isDebugEnabled()) {
                log.debug("Stack '" + stackName + "' is empty");
            }
            throw new EmptyStackException();
            
        } else {
        
            result = namedStack.pop();
        }

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        ArrayStack<Object> namedStack = stacksByName.get(stackName);
        if (namedStack == null ) {
            if (log.isDebugEnabled()) {
                log.debug("Stack '" + stackName + "' is empty");
            }        
            throw new EmptyStackException();
        
        } else {
        
            result = namedStack.peek();
        }

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