Stacks

import java.util.Scanner;

public class Stack {
	private int[] items;
	private int top;
	public Stack (int capacity) {
		items=new int[capacity];
		top=-1;
	}
	public boolean isEmpty() {
		return top==-1;
	}
	public boolean isFull() {
		return top==items.length-1;
	}
	public int pop() {
		if(!isEmpty()) {
			return items[top--];
		}
		return 0;
	}
	public void push(int sayi) {
		top++;
		items[top]=sayi;
	}
	
	public static void main(String[] args) {
		Scanner scanner=new Scanner(System.in);
		System.out.println("Kapasite");
		int capacity=scanner.nextInt();
		Stack stack=new Stack(capacity);
		stack.push(10);
		stack.push(15);
		stack.push(25);
		stack.push(35);
		System.out.println("silinen : "+ stack.pop());
		stack.push(10);
		stack.push(15);
		stack.push(55);
		System.out.println("silinen : "+ stack.pop());
		System.out.println("silinen : "+ stack.pop());
		System.out.println("silinen : "+ stack.pop());
		System.out.println("silinen : "+ stack.pop());
	}
	
}