Java 8 Interview Questions

by devs5003 - February 22, 2023April 7, 20260

If you are a Java developer looking to crack your next job interview, you'll need to have a solid understanding of Java 8. To help you prepare, we have put together a brief guide packed with the most frequently asked Java 8 interview questions and their answers. From functional interfaces to lambdas and streams, we have included all the most important topics you will need to know to impress your interviewer and land your ideal job. So, whether you are a beginner or a professional, read on to learn or refresh your concepts of Java 8 before appearing in the interview. Who can get benefitted from these questions? 1) Job seekers: If you are looking for a job as a Java developer

MCQ on Java 8 Features

by devs5003 - February 15, 2023May 3, 20261

Details on this page are a little bit different than at other pages. Rather than going through some theoretical or practical way of learning Java 8 Features, we will test our understanding of the same via solving multiple choice questions (MCQs). In this page, we will talk about ‘MCQ on Java 8 Features’. Answer & Explanation of each question are given at the bottom of this page. You will find these questions for the first time on the web as they are created after putting a strong effort. You may also find these questions in some other websites/blogs after publishing this page. Someone who likes the questions & interested in copying the questions can just provide a reference of this page as

How To Add JDK 19 Support In Eclipse

by devs5003 - September 30, 2022August 31, 20230

Eclipse not recognizing Java-19, How to add JDK 19 support in Eclipse 2022-09?, jdk19 IDE , jdk19 eclipse, eclipse jdk19, eclipse java 19, java 19 eclipse, eclipse java 19 support, eclipse for java 19, JDK 19 support in Eclipse 2022-09 - java, add java 19 to eclipse, how to add java 19 to eclipse, eclipse openjdk 19, eclipse java 19 plugin, eclipse support java 19, jdk 19 eclipse, eclipse compiler compliance level 19 not available, sts java 19, add jdk 19 to eclipse, how to add jdk 19 in eclipse Oracle has released JDK 19 (the tenth six-month release) in September 2022 and it's general availability date is 2022/09/20. JDK 19 will be a short-term feature release that is supported for

Java Interface

by devs5003 - July 26, 2022December 11, 20231

Either you are a beginner or a professional in Java programming language, you must have come across the term Java Interface. As a beginner, if not, actually you have not learnt the Java language properly. Even you may not be a good Java Programmer, if you have not learnt each aspect of a Java Interface. You are expected to know about Java Interface in a deeper way. Additionally, what are the changes introduced in newer versions of JDK, especially in JDK8. For example, the introduction of default and static methods in Java Interface. Needless so say, the introduction of new features in Java 8 has completely changed the definition of Java Interface. Before Java 8, no method with a body was

Java 14 Features

by devs5003 - June 16, 2022May 1, 20250

After the release of Java 13 on 17 September, 2019 and completing the six-month cycle, Java 14 version was released on 17 March 2020. We can download Java 14 from here. Here we will talk about Java 14 Features. Some of the Java 14 Features are in 'Preview' Stage, while others finalized by Oracle community. One of the popular feature 'Switch Expressions' which was a Preview feature is now approved in Java 14. We will discuss in detail about all the Java 14 Features in this article. Java 14 Features As a developer, we have following new features which are added in Java 14. 1. Record Type (Preview) 2. Switch Expressions 3. Pattern matching for instanceof Operator (Preview) 4. Helpful NullPointerExceptions 5. Text Blocks (Preview) What is a Preview

Java Features After Java 8

by devs5003 - June 14, 2022September 27, 20261

After Java 8, Java 9 has big changes & new features. Here in this section we will talk about Java Features After Java 8. If you are preparing for a Java developer interview, there are 100% chances that, you will find some questions about this topic. This article may work as a refresher for the interview. You can learn about Java 8 Features from a separate article. We will update this article on a regular basis in case of a release of the new version. Let's discuss Java Features After Java 8. If you want to test some features without setting up Java environment in your system, kindly visit our free online java compiler & code runner. Java Features After Java 8 After Java

Java Core Tutorial

by devs5003 - May 29, 2022January 24, 20240

In this section we will cover the basics of Java with clear and simple explanation. Here in this section we have covered concepts in the form of questions. Moreover, I am sure that these concepts will be beneficial to new developers & to those who are preparing for interviews. We will explore the fundamentals of Java, the basics, essential concepts, syntax, and practical examples to help you build a solid foundation. We will call this section 'Java Core Tutorials'. They are like must to know concepts for every Java professional. In addition, we have a separate section for Java Interview Questions. Java Core Tutorial Let's start learning basics of Core Java here in the article 'Java Core Tutorial'. Q: What is the history of Java?

How to add JDK 17 support in Eclipse 2021-09 ?

by devs5003 - September 4, 2021September 27, 20263

Eclipse not recognizing Java-17, How to add JDK 17 support in Eclipse 2021-09 ?, jdk17 IDE , jdk17 eclipse, eclipse jdk17, eclipse java 17, java 17 eclipse, eclipse java 17 support, eclipse for java 17, JDK 17 support in Eclipse 2021-09 - java, add java 17 to eclipse, how to add java 17 to eclipse, eclipse openjdk 17, eclipse java 17 plugin, eclipse support java 17, jdk 17 eclipse, eclipse compiler compliance level 17 not available, sts java 17, add jdk 17 to eclipse, how to add jdk 17 in eclipse Oracle has released JDK 17 in September, 2021 and it's general availability date is 2021/09/14. Java Development Kit (JDK) 17 will be a long-term-support (LTS) release, with extended support from

Behavioral Design Patterns In Java

by devs5003 - June 22, 2021July 7, 20250

In continuation of the second part of Design Patterns in Java, we will discuss about Behavioral Design Patterns in Java in this article. We have already covered Creational Design Patterns in Java, and Structural Design Pattern in the first & the second part respectively. The Behavioral Design Patterns deal with better interaction between objects and to provide loose coupling and flexible design. Moreover, they use various techniques to make communication between objects easier. We will discuss eleven design patterns in total in this article that come under the category of Behavioral Design Pattern. Let’s start discussing our topic ‘Behavioral Design Patterns In Java’.What are Behavioral Design Patterns in Java?Behavioral Design Patterns offer solution for the better interaction between objects and

Structural Design Patterns In Java

by devs5003 - June 18, 2021July 7, 20251

In continuation of the first part of Design Patterns in Java, we will discuss about Structural Design Patterns In Java in this article. We have already covered Creational Design Patterns in Java in the first part as mentioned. The Structural Design Patterns deal with different ways to create a class structure. Moreover, they use Inheritance and Composition techniques to create larger objects from small objects. We will discuss seven design patterns in total in this article that come under the category of Structural Design Pattern. Let's start discussing our topic 'Structural Design Patterns In Java'. What are Structural Design Patterns in Java? Structural patterns provide different ways to create a class structure, for example, using inheritance and composition to create a large