Blog Archives

Java 7 fork and join tutorial with a diagram and an example

Q. How does java.util.concurrent.RecursiveTask work? A. It uses a single ForkJoin pool to execute tasks in parallel for both computing sum of numbers recursively and chunking (or breaking) them into chunks of say 3 or less as per the following example. Here is an example, where a an array of given numbers…

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Java 7: Top 8 new features with examples

There are several small new features and enhancements in Java 7. The major features and enhancements are in Java 8. Let’s look at the Java 7 new features. #1: string in switch statement:

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Java Developer & Architect Interview Q&As

Java & Big Data Tutorials

Prepare to fast-track & go places

FAQs are marked with 🔥 as some questions are not only more popular with the interviewers, but also required to build robust systems. If you are an interviewer, cover well rounded topics to judge real experience.

Don't be overwhelmed by the number of questions as the technology stacks are so vast. The quality of the answers you provide to some of the key technical & open-ended questions along with your soft skills & attitude will go a long way in getting the job offers.

Note: Some Q&As belong to more than one category.