This article is solely for all beginner programmers, who are learning object-oriented programming languages e.g. Java, C++, or C#, and aspire to do well on any programming interview.The difference between class and objectis one of the most common questions, you would like to ask a fresher...
Explore these top OOPs Interview Questions and ace your next interview to get your dream job! Example public class Fruit{ String name; // field String color; // field void vitamin(){ // method } void taste(){ // method } } Learn how to use the Super Keyword in Java to access the...
Java is an object-oriented programming language and you will see a lot of object-oriented programming concept questions in Java interviews. The classic questions like the difference between an interface and abstract class are always there but from the last couple of years more sophisticated questions...
There are examples of immutable built-in Java classes such as the primitive wrapper classes (Byte, Short, Integer, Long, Float, Double, Character, and Boolean), and BigInteger and BigDecimal. Rules to create immutable class: In order to make a Java class immutable, follow these rules. ...
public class Result { public static void main(String args[]) { Object o = new Object(); System.out.print(o.getClass()); } } View HintView AnswerDiscuss in Forum Which of these methods returns the class of an object? What is the output of this program?
In this post, we will see whywait(), notify() And notifyAll() methodsare in Object Class And Not in Thread Class. This is one of the most askedjava multithreading interview questions. You might know thatwait(),notify()AndnotifyAll()Methods are in Object class and do you know the reas...
View Hint View Answer Discuss in Forum What is the output of this program? public class Result { public static void main(String args[]) { Object object = new Object(); System.out.print(object.getclass()); } }Compilation error class object class java.lang.Object Runtime error ...
Object-oriented programming (OOP) concepts serve as the foundational principles for numerous programming languages prevalent in the current landscape. The OOP model has gained immense popularity, leading to its widespread adoption across various programming languages like Java, C++, Python, C#, among oth...
Dell (22) Aptitude Interview Questions GE (2) Placement Assistance HAL (1) Placement Assistance Infosys (212) Challenging Puzzles ISRO (6) Placement Assistance Mphasis (1) Placement Assistance Oracle (206) Aptitude Interview Questions Java Interview Questions SQL Interview Questions Sonata (65) Analyti...
Questions by zeeshan980 J2EE Answer First Prev Next Last Showing Answers 1 - 7 of 7 AnswersRammohan Mar 27th, 2006 Hi , object is one of the user defined class in java.using which you can define your own data type, which can store your any type of data like integer,numeric,...