The main Java OOPs concepts are: Inheritance Polymorphism Abstraction Data Binding And Encapsulation Let’s take a look at some interview questions on Java OOPS concepts. Java Interview Questions on Core OOPS concepts These interview questions on core Object-Oriented Programming concepts are commonly ask...
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 programming for interview purposes. All the important JAVA concepts are exp...
Java 8 was a major release with many new features. Some of them are Lambdas, Functional interfaces, Streams, and Date Time API. This article will help you in preparing for the interview related to these APIs. I recently wrote another article aspart-2 of java 8 interview questions. 3.Java ...
There are three main principals of oops which are called Polymorphism, Inheritance and Encapsulation. 14Explain the Encapsulation principle. 14Encapsulation is a process of binding or wrapping the data and the codes that operates on the data into a single entity. This keeps the data safe from ou...
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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. Encapsulation: Encapsulation in Java is a mechanism of wrapping up the data and code together as a single unit...
Functional interfaces and Lambda Expressions Java Stream API for collection classes Java Date Time API I strongly recommend to go through above links to get proper understanding of each one of them, also readJava 8 Features. 8. Name some OOPS Concepts in Java?
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 ...
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...
TCSinterview questionsTechnical-JAVAWhat is the difference between an Abstract class and Interface?What is user defined exception?What do you know about the garbage collector?What is the difference between java and c++?In an HTML form I have a button which makes us to open another page in 15...