Java Interview Questions Hiring Managers Should Ask

Java is one of the most in-demand computer programming languages in the world today and for good reason. It's used in a huge variety of job roles and is found in almost every industry. From large multinationals to small growing startups, Java has a role to play. For some, it will be a core part of what makes a company from startup to global powerhouse.

Java Interview Questions for freshers require specialist knowledge of the field. Whether you need a Software Engineer, Project Manager, or Architect, there are many misconceptions about the role and we've highlighted a few of these to help you prepare for your next interview. 

Many companies utilize the Java programming language. Are you looking for new employees? If so, hiring someone who can program in Java can certainly help your bottom line. However, this is not an easy task. Finding qualified engineers takes time and effort, so asking the right questions during the interview process is a wise decision.

Some Important tips to consider if you are preparing for a java interview 


The Java language is as much a framework as it is a programming language. Technologies were built to work with Java. That’s why hiring the right Java developer makes sense. The right developers need to know how to set up these core technologies.


Java Interview Questions should be cover the following topics

Insights on Java coding knowledge and skills.

JavaServer Pages

JavaServer Pages (JSP) is a development technology created by Sun Microsystems that allows you to develop dynamic pages. It's a way to get Java code "under the hood" of your Web application. The idea behind this architecture is to enhance your Web application by using the Java programming language, rather than HTML and JavaScript. By using JSP, it is possible to create Web applications with more complex user interfaces and greater interactive capabilities than HTML.

Web technologies

Web technology refers to the various tools and techniques that are utilized in the process of communication between different types of devices over the internet. A web browser is used to access web pages. Web browsers can be defined as programs that display text, data, pictures, animation, and video on the internet. In current times these are the most common means of accessing information. Most people communicate through web browsing. Information is available in any form on the web which makes it one of the biggest marketplaces today in almost every sphere of life.

Markup languages

A markup language is a basic type of computer language that helps to format data and content on a page, not unlike formatting documents in Microsoft Word or other word-processing apps. Markup languages are used primarily to define the layout and structure of content on websites and applications.

Few Java Interview questions that are important to crack your java interview 

Explain object-orientated Programming and Outline Its Benefits?

Java is a very complicated language. This is because it follows the object-orientated programming paradigm (OOP). OOP lies at the heart of Java. It enables you to convert real-world entities into code by treating them as objects. Each object interacts and communicates with other objects. They then work together to form a complete application.

You should also mention the terms of oops
Inheritance
Classes
Abstraction
Polymorphism

What are the top 5 main java features?

Object-Oriented. 
Platform Independent. 
Simple. 
Secure. 
Architecture-neutral. 

What are primitive data types in java?
Java supports 8 data types: Boolean, byte, char, long, float, double, short, and int. These types along with literal expressions form the vocabulary of the Java language. This article discusses each data type and its usage in the Java language.

Explain  Static Method?

Stack memory stores methods and variables shared by all the objects in a class. Stack memory is physically located on the machine’s RAM, which makes it faster than heap memory.


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