8. What are the advantages/benefits of OOPs in Java? Ans: OOPs concept in Java offers several advantages that are not available in procedural programming like C, Pascal, etc. Some of the major and important benefits of object-oriented programming are as follows: Security ...
Advanced Java Interview Questions on OOPs Concepts What is Association in Java? Explain the concept of Object Cloning in Java Explain Constructor Overloading in Java? What do you understand about the main() method in Java? What is the Marker Interface in Java? What are some differences between...
Java Virtual Machine (JVM) is the heart of java programming language. JVM is responsible for converting byte code into machine-readable code. JVM is not platform-independent, that’s why you have different JVM for different operating systems. We can customize JVM with Java Options, such as all...
Prepare for Java OOPS concepts interview questions and answers to enhance your understanding of object-oriented programming and ace your technical interview.
It is a programming concept that allows running multiple tasks within one single program in a concurrent manner. 4) When and by whom was Java developed? Java was developed in 1995 by James Gosling. Top Java Interview Questions and Answers – Set 2 ...
2. Why pointers are not used in Java? Java doesn’t use pointers because they are unsafe and increases the complexity of the program. Since, Java is known for its simplicity of code, adding the concept of pointers will be contradicting. Moreover, since JVM is responsible for implicit memory...
Most Frequently asked Java Interview Questions and Answers with examples: In this tutorial, we have covered almost 50+ important core Java interview questions for freshers and experienced candidates. This post on JAVA Interview Questions is prepared to help you understand the basic concepts of Java ...
Encapsulation is an OOPS concept to create and define the permissions and restrictions of an object and its member variables and methods. A very simple example to explain the concept is to make the member variables of a class private and providing public getter and setter methods. Java provides...
Interview Questions on Java What if the main method is declared as private? The program compiles properly but at runtime it will give “Main method not public.” message. What is meant by pass by reference and pass by value in Java?
Polymorphism is an Oops concept which advice use of common interface instead of concrete implementation while writing code. When we program for interface our code is capable of handling any new requirement or enhancement arise in near future due to new implementation of our common interf...