Princeton1/module4/src/main/java/com/hithomelabs/princeton1/module4/Stack.java

10 lines
271 B
Java

package com.hithomelabs.princeton1.module4;
import java.lang.Iterable;
public abstract class Stack<E> implements Iterable<E>{
public abstract boolean isEmpty();
public abstract void push(E element);
public abstract E pop();
public abstract int size();
}