Question 2Analyze the following code.// Program 1public class Test{public static void main(String[] args) {Object al = new A0);Object a 2 = new A0);System.out.println(((A)a 1).equals((A)a 2));}}class A {int x;public boolean equals(A a) {return this.x == a.x;}}// Program 2public class Test{public static void main(String[] args) {A a1 = new A();A a2 = new A0);System.out.println(a1.equals(a2));}}class A {int x;public boolean equals(A a) {return this.x == a.x;}}Program 1 displays true and Program 2 displays trueProgram 1 displays false and Program 2 displays trueO Program 1 displays true and Program 2 displays falseProgram 1 displays false and Program 2 displays false

The question is to select the correct option from the given four options.

Question 2 Analyze the following code. // Program 1 public class Test{ public static void main(String[] args) { Object a1 = new A(); Object a 2 = new A0); System.out.println(((A)a 1).equals((A)a 2)); } class A { int x; public boolean equals (A a) { return this.x == a.x; } } // Program 2 public class Test{ public static void main(String[] args) { A al = new A(); A a2 = new A(); System.out.println(a1.equals(a2)); } class A { int x; public boolean equals(A a) { return this.x == a.x; } } Program 1 displays true and Program 2 displays true Program 1 displays false and Program 2 displays true Program 1 displays true and Program 2 displays false Program 1 displays false and Program 2 displays false

Question 2 Analyze the following code. // Program 1 public class Test{ public static void main(String[] args) { Object a1 = new A(); Object a 2 = new A0); System.out.println(((A)a 1).equals((A)a 2)); } class A { int x; public boolean equals (A a) { return this.x == a.x; } } // Program 2 public class Test{ public static void main(String[] args) { A al = new A(); A a2 = new A(); System.out.println(a1.equals(a2)); } class A { int x; public boolean equals(A a) { return this.x == a.x; } } Program 1 displays true and Program 2 displays true Program 1 displays false and Program 2 displays true Program 1 displays true and Program 2 displays false Program 1 displays false and Program 2 displays false

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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