package com.javatechie.lambda.example; public class Book { private int id; private String name; private int pages; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } public int getPages() { return pages; } public void setPages(int pages) { this.pages = pages; } @Override public String toString() { return "Book [id=" + id + ", name=" + name + ", pages=" + pages + "]"; } @Override public int hashCode() { final int prime = 31; int result = 1; result = prime * result + id; result = prime * result + ((name == null) ? 0 : name.hashCode()); result = prime * result + pages; return result; } @Override public boolean equals(Object obj) { if (this == obj) return true; if (obj == null) return false; if (getClass() != obj.getClass()) return false; Book other = (Book) obj; if (id != other.id) return false; if (name == null) { if (other.name != null) return false; } else if (!name.equals(other.name)) return false; if (pages != other.pages) return false; return true; } public Book() { super(); // TODO Auto-generated constructor stub } public Book(int id, String name, int pages) { super(); this.id = id; this.name = name; this.pages = pages; } }