Java Collection: Stack

The Stack class is implemented based on the concept of the stack in Data Structure.

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Hierarchy of Stack class

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It inherits the Vector class, which in turn inherits AbstractList class.

Source code of Item.java

package com.t4b.test; public class Item { String name; int id; double price; public Item(String name, int id, double price) { super(); this.name = name; this.id = id; this.price = price; } @Override public String toString() { return "Item [name=" + name + ", id=" + id + ", price=" + price + "]"; } }

Source code of TestMain.java

package com.t4b.test; import java.util.Stack; public class TestMain { public static void main(String[] args) { Stack<Item> items = new Stack<Item>(); items.push(new Item("Apple", 1, 150.0)); items.push(new Item("Grape", 2, 250.0)); items.push(new Item("Mango", 3, 10)); for (Item i : items) System.out.println(i); Item itm = items.pop(); for (Item i : items) System.out.println(i); System.out.println(items.size()); } }

Happy Exploring!