Explain testing objects for equality in java, JAVA Programming

Assignment Help:

Explain Testing Objects for Equality in java?

<, >, <= and >= can only be used with numbers and characters. They cannot be used with Strings, booleans, arrays or other compound types since there's no well-defined notion of order for these objects. Is true greater than false? Is "My only regret is that I have but one life to give for my country" greater than "I have a dream"?

Equality is a little easier to test however. true is equal to true and true is not equal to false. Similarly "My only regret is that I have but one life to give for my country" is not equal to "I have a dream." However you might be surprised if you ran this program:
class JackAndJill {

public static void main(String args[]) {

String s1 = new String("Jack went up the hill.");
String s2 = new String("Jack went up the hill.");

if ( s1 == s2 ) {
System.out.println("The strings are the same.");
}

else if ( s1 != s2 ) {
System.out.println("The strings are not the same.");
}
}
}
The result is
The strings are not the same.


Related Discussions:- Explain testing objects for equality in java

What are the different types of bean injections, Two types of bean injectio...

Two types of bean injections are there:- 1. By setter 2. By constructor

Explain the char data type in java, Explain the char data type in java? ...

Explain the char data type in java? A char is a single character in which a letter, a digit, a punctuation mark, a tab, a space or something same. A char literal is a single on

Draw hierarchy of the people involved in the project, Suppose we have a big...

Suppose we have a big project. Draw hierarchy of the people involved in the project? Executive Team CEO, COO, CMSO Quality Architecture Team Business Development Team Technolog

What is synchronous messaging, Synchronous messaging involves a client that...

Synchronous messaging involves a client that waits for the server to respond to a message. So if one end is down the whole communication will fail.

Program to create shipping company model, This assignment models a simplifi...

This assignment models a simplified delivery company. It is composed of the following departments:  receiving which contains a list of packages to be delivered, shipping which ship

AdressBook, Write a program that uses one of the Map classes to implement a...

Write a program that uses one of the Map classes to implement a contact list. Contact information should include first name, last name, a phone number and an email address. The lis

Minimumshelf, Write a program that finds the minimum total number of shelve...

Write a program that finds the minimum total number of shelves, including the initial one required for this loading process

State the verify phase of java program development, State the Verify phase ...

State the Verify phase of Java Program Development Before the bytecodes in an application are executed by the java interpreter, they are verified by the bytecode verifier in

Explain the for loop in java, Explain the for loop in java? // This is ...

Explain the for loop in java? // This is the Hello program in Java class Hello { public static void main (String args[]) { System.out.print("Hello "); // Say Hello

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd