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00: How to prepare to succeed in Java job interviews?

“Why wait 5 to 10 years when you can fast-track & go places in 1-2 years”

Relying only on your experience can take a long time to get a good handle …



00: Top 50+ Core Java interview questions answered – Q1 to Q10

These are must know Java interview FAQs. If you don’t get these Java interview questions right, you will not be getting an offer.

Q1. What is the difference between โ€œ==โ€ and …



00: Top 50+ Core Java interview questions answered – Q11 to Q23

The focus is on Java OOP interview questions and answers. Q11. What is the difference between constructors and other regular methods? A11. Constructors must have the same name as the class …



00: Top 50+ Core Java interview questions answered – Q24 to Q36

Focus is on Java classes, interfaces and generics the interview questions and answers style. Java classes and interfaces are the building blocks. Q24. What happens when a parent and a child …



00: Top 50+ Core Java interview questions answered – Q37 to Q42

As a Java developer, you may not need to know how the JVM works, but the most important topic that you must know is Java Garbage Collection. How the Garbage Collection …



00: Top 50+ Core Java Interview questions answered – Q43 to Q54

Q43. What can you tell about the performance of a HashMap compared to a TreeMap? Which one would you prefer? A43. A balanced tree does have O (log n) performance. The …



00: Why favor composition over inheritance?

This not only one of the most popular Java OOP Interview Questions & Answers asked 90% of the time in job interview, but also a key OOP concept you must know …



01: 12 Maven interview Questions & Answers

Q1. What is the difference between snapshot versions and release versions? A1. The term “SNAPSHOT” means the build is a snapshot of your code at a given time, which means downloading …



01: 12 Web basics every Java web developer must know

Q1. HTTP is a stateless protocol, so how do you maintain state? How do you store user data between requests?
A1. This is a commonly asked interview question. The โ€œhttp protocol …



01: 15 Ice breaker interview Q&As asked 90% of the time

Most interviews start with this very question. This is an ice breaker interview question to ease nervousness. Starting job interviews with technical questions may cause more nervousness. To reduce nervousness, please …



01: 15+ Java multithreading interview Q&As

Even the experienced Java developers dread Java multithreading interview questions & coding exercises. Interviewers love to drill you on multithreading as it can reveal a lot about your capabilities.

Q1. What …



01: 19 Java 8 Functional Programming FAQs

Good handle on Java OOP concepts and FP concepts are very important NOT only from writing quality code perspective, but also from job interviews perspective to be able to do well …



01: AWS Q&As on VPC, Subnets, Availability Zones, VPN, Route tables, NACLs & Security Groups

The above diagram addresses many of the questions that follow. Q1. What is a VPC in AWS? A1. A virtual private cloud (VPC) is a virtual network dedicated to your AWS …



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800+ Java Interview Questions answered

What can you do as a Java & Big Data Engineer?

Prepare to fast-track & go places
with multi-offers to choose from & increased earning potential. Expand your horizons along the way by taking the road less travelled.
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Learn by categories such as FAQs – Core Java, Key Area – Low Latency, Core Java – Java 8, JEE – Microservices, Big Data – NoSQL, etc. Some posts belong to multiple categories.
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