In this article, we’ll look at some common interview questions on Java OOPS concepts asked in technical interviews. If you’re a software engineer, coding engineer, software developer, engineering manager, or tech lead preparing for tech interviews, check out our technical interview checklist, ...
The above code creates the object for the Addition class. Q #9)What are the OOPs concepts? Answer: OOPs concepts include: Inheritance Encapsulation Polymorphism Abstraction Interface Suggested Read =>> Top OOPs Interview Questions Q #10) What is Inheritance? Answer: Inheritance means one class can...
JSP is an integral part of Java EE. If you are giving an interview for a web developer, then having good knowledge of JSP is very important. This post contains a list of 35 JSP interview questions with answers. Please make sure to bookmark it because I will be kept on adding more to...
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11How you can force the garbage collection? Garbage collection automatic process and can't be forced. 12What is OOPS? OOP is the common abbreviation for Object-Oriented Programming. 13Describe the principles of OOPS. There are three main principals of oops which are called Polymorphism, Inheritan...
7. What are the main concepts of OOPs in Java? Object-Oriented Programming or OOPs is a programming style that is associated with concepts like: Inheritance: Inheritance is a process where one class acquires the properties of another.
8. Name some OOPS Concepts in Java? Java is based on Object Oriented Programming Concepts, following are some of the OOPS concepts implemented in java programming. Abstraction Encapsulation Polymorphism Inheritance Association Aggregation Composition ...
When you are preparing to interview for a Java programming job, it’s important to consider the questions you’ll be asked. These interview questions can vary based on many factors, including company type, role level, and how long the company you interview with has been in business. How can...
This core Java question is followup of previous question and expecting candidate to write Java singleton using double checked locking. Remember to use volatile variable to make Singleton thread-safe. check 10 Interview questions on Singleton Pattern in Java for more details and questions answers ...
Java的基础知识 For a Core Java Developer , Questions around following topics should be good. OOPs Concepts Abstract Classes and Interfaces Constructors Overloading and Overriding File IO and Serialization Collections - List , Map , Set - Search, Sorting Algorithms Access Specifiers Exceptions - Che...