This Java Questions and Answers are prepared with the students and those preparing for their interviews in mind. The questions have been designed by the leading experts from various Educational and Corporate Institutions. This covers all the aspects of the language needed for the easy understanding and the appreciation of the language usefulness. The best way to crack the door to a job is to perform well in the interview. So have a glance over the contents in the book and boggle the interviewers by your brilliant answers.
These questions are carefully framed from a variety of Java related sources. These questions and answers and the supplementary are being used in the training of the IT professionals to prepare them for their jobs and their projects. There are a mix of questions of all types ranging from easy ones to mild and difficult ones. It is enough if a person is familiar with the book to be confident when he goes to the interview. It has the major concepts of the introduction of what Java is and then it moves on to the Object Oriented Programing (OOPS) concepts and after that comes the major portions like threads, classes, overloading, overriding, applets, API and graphical User Interface.
Certain examples are also provided to illustrate the concept of the definitions and also to make the reader to understand the concepts better. The most frequently asked questions are also included in the article. It is the sincere request of the writer to the reader to carefully read this article and to rock in the interviews. There are several Java questions and answers are available down below,
- How the System.out.println() is working?
- Difference between method overloading and overriding
- What is a Private Constructor?
- What is Java bytecode? Is it platform independent?
- How Copy Constructor work?
- What is Finally Block?
- What is Final Modifier?
- What is Diamond Problem?
- What is Anonymous Inner Class?
- What is Argument Defined Anonymous Inner Class?
- Difference Between Class and Objects
- Difference Between Abstract Class and Interface
- Difference Between Nested Static and Inner Class
- How to Declare and Extend an Interface?
- How to Create Threads in Java?
- How to Interface Anonymous Inner Class?
- Is it Possible to Instantiate Interface in Java?
- Java Access Modifiers – Interview question
- What is Java Serialization ?
- Explain Multiple Inheritance in Java?
- What are the Thread States in Java?
- Types of Binding in Java
- What is Downcasting in Java?
- What is Exception Handling?
- What is Inner Class?
- What is Java Reflection?
- What is Method Overloading?
- Does Java Pass by Value or Pass by Reference?
- Why Inner Class is Used in Java?