Java is considered to be quite easy to learn and master, especially when compared with other programming languages out there.
Question 3: Name a few notable Java features.įor beginner programmers and developers, the most important feature is simplicity. Java uses some data types ( char, byte, float) which are not objects. This is a quite possible to be one of Java interview questions and no, it is not fully object-orientated. Question 2: Is Java fully object-orientated? It is known for being flexible and running with high-performance. Java is designed to represent the “ WORA” slogan - “ write once, run anywhere”. It was created and developed back in 1991 by a man named James Gosling. Java is an object-orientated, high-level secure programming language. It seems like a pretty simple question, doesn’t it? Well, your potential employer probably expects a clear and straight-to-the-point answer, so let’s provide him one. Have you ever wondered which online learning platforms are the best for your career? See & compare TOP online learning platforms side by side Question 1: What is Java? Let’s start from the beginning, though, and jump into the basics. We’ll talk about Java 8 interview questions and I’ll provide answers for experienced developers. Question 9: What is 'association' in Java? Question 8: What is the output of this Java program? Question 7: What does ‘super’ in Java mean? Question 6: Name the superclass for all other classes in Java.
Question 4: What is ‘runtime polymorphism’? Question 3: Is it possible to execute a program without the 'main() method'? Question 2: What’s the output of this Java program? Question 1: What’s the difference between ‘method overloading’ and ‘method overriding’?
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Question 15: Do you know how to achieve thread-safety in Java? Question 14: Do you know what is ‘Synchronization’ in Java? Question 13: What are the differences between path and classpath variables? Question 12: Do you know how to differentiate abstract class from the interface? Question 11: What is ‘Garbage Collection’ used for in Java? Question 10: What are the differences between JDK, JVM, and JRE? Question 9: What different object references can there be in Java? Question 8: What’s the difference between 'equals()' and '='? Question 5: What are the 'access specifiers' in Java? Question 3: Name a few notable Java features.
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