Top Most Java Garbage Collection Interview Questions

Java garbage collection interview questions are most common java interview questions. The interviewer could use them to interview Java beginner asking simple questions like how to force the garbage collection. The same interviewer could ask Senior Java Developer with 5 years of experience about Java garbage collection tuning. Lets try to answer on the first question, leaving Java tuning interview

Top Most Java Interview Question 6: Explain JVM memory structure?

Some Java software developers think that they do need to know about JVM memory structure and wrongly assume that Java code written by them will always work if they were able to compile and run the application at least once. Unfortunately this is not a true, so the interviewer should always ask at least one question on JVM memory structure and tuning. The interviewer would expect that software

Top Most Java Interview Question 7: What is final finally finalize difference?

Java interview question about final, finally, and finalize is a straightforward question and software developer with an experience should not blabber on about a problem, but should stay light on details and just state the key points.

Final

When Final is applied to a class: The class cannot be subclassed.
public final class FinalClassExample {...}
When Final is applied to a method: The method

Top Most Java interview question: Fibonacci Numbers

Assessing Java Developer technical skill level is a quite difficult thing when interviewer only has limited time. The solution would be to give a candidate a chance to demonstrate Java development experience by coding problem that requires writing a short, straightforward function. The ideal interview questions for interviewing not only Java Developer with 2 years of experience, but any Java

Top Most Git interview questions

Git interview questions is not very well defined topic and some hiring managers think that it is better to focus on candidate’s programming and critical thinking skills, assuming if Java software developer has those he can pick up Git tricks in a couple days with a help of decent Git book or tutorial. Another group thinks that if someone have never used a source code management system, that's a

Top Most Java Interview Question 2: Top Reasons To Choose Java?

How you answer the interview questions software developer willl be presented with during your interviews will determine whether or not software developer gets a job offer, so it is important to answer all questions even they appear to be an easy ones. There are multiple reasons to choose Java over other technologies and a few of them are :

Java is free and open source. There are large

Top Most Java Interview Question 5: What is JVM?

The Java Virtual machine (JVM) is the implementation of abstract definition of the Java Virtual Machine Specification. JVM is the application required for execution of a Java applications and programs. There are multiple implementation of JVM by different vendors. For example, JRockit JMV Oracle, I9 JVM IBM and HotSpot JVM (née Sun) Oracle. JVM is primarily aimed at executing Java applications,

Top Most Java Interview Question 4: What is the difference between JRE and JDK?

Ask a simple java interview question, such as what is JRE and JDK? (a legitimate interview question) and you still will get a few incorrect answers. Apparently even Senior Java developers sometimes being confused about the functionality of JRE and JDK.

What is JRE?

JRE is Java Runtime Environment. It is obviously JVM (Java Virtual Machine), core libraries and other additional components

Top Most Java Interview Question 3: What is the difference between J2EE and Java EE?

One of the questions I often ask during an interview is to explain the difference between Java EE and J2EE. Not surprisingly, this Java interview question is not as simple as it seems. I'm glad there are software developers who knows the correct answer, surprised that there are candidates who do not know the difference, and shocked when the candidate, usually folks applying for senior positions,

Top Most Java interview question 1: Explain public static void main(String[] args) method

In Java language, every application must contain a main method whose signature is one of the following method heading

public static void main(String[] args)

public static void main(String... args)

public static void main(String args[])

public - can be accessed from anywhere
static – can be invoked without instantiating the class
void - the method returns nothing
main – the name of the method