📄 stack-stack.html
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<html><head><title>Code Fragment</title></head><body text=#000000><center></center><br><br><dl><dd><pre> <font color=#ff0080>/** * Interface for a stack: a collection of objects that are inserted * and removed according to the last-in first-out principle. This * interface includes the main methods of java.util.Stack. * * @author Roberto Tamassia * @author Michael Goodrich * @see EmptyStackException */</font><font color=#8000a0>public</font> <font color=#8000a0><font color=#ff8000>interface</font> </font>Stack<E> { <font color=#ff0080>/** * Return the number of elements in the stack. * @return number of elements in the stack. */</font> <font color=#8000a0><font color=#8000a0>public</font> </font><font color=#8000a0>int</font> <font color=#0000ff>size</font>(); <font color=#ff0080>/** * Return whether the stack is empty. * @return true if the stack is empty, false otherwise. */</font> <font color=#8000a0><font color=#8000a0>public</font> </font><font color=#8000a0>boolean</font> <font color=#0000ff>isEmpty</font>(); <font color=#ff0080>/** * Inspect the element at the top of the stack. * @return top element in the stack. * @exception EmptyStackException if the stack is empty. */</font> <font color=#8000a0><font color=#8000a0>public</font> </font>E <font color=#0000ff>top</font>() <font color=#8000a0><font color=#ff8000>throws</font> </font>EmptyStackException; <font color=#ff0080>/** * Insert an element at the top of the stack. * @param element to be inserted. */</font> <font color=#8000a0><font color=#8000a0>public</font> </font><font color=#8000a0>void</font> <font color=#0000ff>push </font>(E element); <font color=#ff0080>/** * Remove the top element from the stack. * @return element removed. * @exception EmptyStackException if the stack is empty. */</font> <font color=#8000a0><font color=#8000a0>public</font> </font>E <font color=#0000ff>pop</font>() <font color=#8000a0><font color=#ff8000>throws</font> </font>EmptyStackException; }</dl></body></html>
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