14 lines
472 B
Java
14 lines
472 B
Java
/** Abstract Stack interface */
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public interface Stack
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{
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// most important methods
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public void push(Object n); // push an object onto top of the stack
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public Object pop(); // pop an object from top of the stack
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// others
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public Object top(); // examine top object on stack without removing it
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public boolean isEmpty(); // true if stack is empty
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public boolean isFull(); // true if stack is full (if it has limited storage)
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}
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