Core Java interview questions and answers will help you in preparing for the interviews. Whether you are a fresher or experienced professional, the questions will help you in getting a competitive ...

A frequently asked question in a Java interview is: How to implement a Java HashMap? Java job seekers must fully grok this important concept if they want to ace the interview. The HashMap tutorial ...

There are many ways to do anything in Java, and there is no conclusive right way. Often, the right way is simply the way you know best. Imperative loops like the for loop are the most basic way to do ...

Everything in Java is an object, except primitives like int. Turns out that small caveat has big implications for the language, which have compounded over the years. This seemingly minor design ...

We discuss some of the most common design patterns in Java and how they can help you solve common coding issues. Learn more. A design pattern is a well-established and documented solution to a common ...

Your browser does not support the audio element. The question about garbage collectors is viral. You can hear it almost in every interview. So I put the necessary ...

The Java Iterator is an all-purpose interface that simplifies looping through a collection of objects. Java's ListIterator provides all the functionality of the Iterator interface, with four ...

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