The Stack class is implemented based on the concept of the stack in Data Structure.
Hierarchy of Stack class
It inherits the Vector class, which in turn inherits AbstractList class.
Source code of Item.java
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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
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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();
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