Answering this Java interview question can help the interviewer understand your depth of experience. 4. What is data-encapsulation in Java?Hide Answer Data-encapsulation in Java is the process of hiding the var
If these methods are not implemented correctly, two different Key's might produce the same hashCode() and equals() output and in that case, rather than storing it at a different location, HashMap will consider the same and overwrite them. Similarly all the collection classes that doesn't sto...
What is the problem with doing this, and how would you go about it while cause the minimum amount of disruption to the other programmers?Why this programming question?This java interview question is mostly for candidates who claim at least 2 years of experience working in a sizeable team. ...
A good hands on experience is required to understand the core threads concepts. Most of the Core Java interview questions are derived from Multi-Threading & Collections framework. Multi-threading and thread optimization is a common topic injava performance tuning booksas well. This post is a colle...
Collection could be made to extend Map, but this raises the question: what are the keys? There’s no really satisfactory answer, and forcing one leads to an unnatural interface. Maps can be viewed as Collections (of keys, values, or pairs), and this fact is reflected in the three “Col...
Core In this post, we are going to see Java interview questions for experienced.These are the most asked interview questions for freshers(0-3 years experienced). This question list will help you to crack java interview. I have already shared detailed answer over here before, you might find ...
For clearing an interview, only technical knowledge is not enough. You will have to go through common job interview questions. For example, your last company experience. Why you are looking for a change?. This article covers 40 common job interview questions....
9. What is the difference between factory and abstract factory pattern? This Java interview question is from my list of 20 Java design pattern interview question and its open for all of you to answer. @Raj suggested Abstract Factory provides one more level of abstraction. Consider different fact...
Java 8 has been released in March 2014, so it’s one of the hot topics in java interview questions. If you answer this question clearly, it will show that you like to keep yourself up-to-date with the latest technologies. Java 8 has been one of the biggest releases after Java 5 anno...
focus on including the most important features like whether there needs to be data storage, how to send notifications and how to manage users when they are offline and online. Be sure to talk through your design process so the hiring manager can answer questions and give feedback along the ...