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add stack ADT

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Aditya 2022-09-12 19:03:24 +05:30
parent 150bf2ba9b
commit a813848eff
1 changed files with 19 additions and 0 deletions
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stack/Stack.java Normal file
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/** Stack ADT */
public interface Stack<E> {
/** Reinitialize the stack. The user is responsible for reclaiming the storage used by the stack elements. */
public void clear();
/** Push an element ontp the top of the stack.
@param it The element being pushed onto the stack. */
public void push(E it);
/** Remove and return the element at the top of the stack.
@return The element at the top of the stack. */
public E pop();
/** @return A copy of the top element. */
public E topValue();
/** @return The number of elements in the stack. */
public int length();
};