Java Interview Guide : Interview Questions And Answers

Education, Education

Start date

01/02/2020

End date

31/05/2024

Overview

Preparing for Java Interview is tricky You would need to get a good understanding of new features and revise concepts you used in your preparation This course helps you prepare for Java Interview with hands-on code examples covering 200+ Java Interview Questions and Answers on varied range of topics listed below 

Java Platform

  • Why is Java so popular?
  • What is platform independence?
  • What is bytecode?
  • Compare JDK vs JVM vs JRE 
  • What are the important differences between C++ and Java?
  • What is the role for a classloader in Java?

Wrapper Classes

  • What are Wrapper classes?
  • Why do we need Wrapper classes in Java?
  • What are the different ways of creating Wrapper class instances?
  • What are differences in the two ways of creating Wrapper classes?
  • What is auto boxing?
  • What are the advantages of auto boxing?
  • What is casting?
  • What is implicit casting?
  • What is explicit casting?

What you will learn

  • Understand what kind of questions are asked in Beginner Java Interviews
  • Answer questions on Java Platform, Wrapper Classes and Strings
  • Understand New Features of Java
  • Understand Basic Object Oriented Concepts
  • Understand Advanced Object Oriented Concepts
  • Answer questions on Collections, Generics and MultiThreading
  • Understand New Features in Java 5, Java 6, Java 7 and Java 8
  • Understand basics of Functional Programming - Lambda Expressions and Streams
  • Understand Exception Handling Best Practices

What you require

Basic knowledge

  • Familiarity with Java and any Java IDE
  • In the course, we use Eclipse to demonstrate examples. Some Java IDE will be useful.
  • Access to Github Repository