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Spring batch industrial strength tutorial – part2

This assumes that you have read the spring batch beginner tutorial & industrial strength part 1. This is the final part. Step 1: The annotated Java classes are referenced directly...



00: 16+ Tech Key Areas to go places as a Java Engineer or Architect

Java Engineers, Big Data Engineers & Java/Big Data Architects must have a good handle on these 16+ Tech Key areas. You can talk the talk in Java or Big Data job interviews & also walk the walk by gaining a reputation as a go to person.



00: Create a simple REST API with Spring Boot

Q1. What is the key benefit of using Spring boot?
A1. The key benefit is that you can “build a production ready application from scratch in a matter of minutes”.

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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 “==” and “equals(…)”

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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...



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. … Read more ›...



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...



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. … Read more ›...



00: Tree from a list & flattening it back to a list in Java

Hierarchical data with parent & child relationships are very common, and Java collection does not have a Tree data structure, hence it is a popular interview question. Further questions include tree data structure processing using recursiion &

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00: ⏯ MySQL database beginner video tutorial

Step by step MySQL video tutorial to get started with MySQL database. Any decent self-taught projects require a database to store & retrieve data.

Related Links

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01 : Spring Cloud with Eureka Discovery Server Tutorial

Q1. What is Spring Cloud? A1. Spring Boot is widely used to develop MicroServices. As many organisations deploy these services on the cloud like AWS, … Read more ›...



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, … Read...



01: 12 Web basics every Java web developer must know – Part 1

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. … Read...



01: 12+ Git Source control must know basics interview Q&As

Q1. How does Git differ from SVN? A1. #1. Git is a distributed source control system meaning that there will be multiple client repositories. … Read more ›...



01: 13 Java low latency interview questions & answers

Have you seen job advertisements requiring Java candidates to work in low latency, high throughput, real-time and distributed systems with share-nothing architectures?

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01: 14 Unix must-know interview Q&As

Q1 How do you remove the Control-M characters from a file? A1 Using the sed command that replaces Control-M with nothing Note: The ^M is typed on the command line...



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 in written tests &

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01: 7 must know Java Web Services Interview Q&As

As an enterprise Java developer, you will be spending more time integrating systems via Java web services & messaging. Java Web Services interview questions are must know for the Java developers.

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01: 7 rules to remember on Java Generics for better understanding

Here are 7 rules to remember regarding Java Generics to understand Generics and handle interview and coding questions on Core Java. Object <– Fruit <– (Orange, Mango,… Read more ›...



01: 7+ Java architectural patterns interview Q&As – Part 1

One of the very frequently asked open-ended interview questions for anyone experienced is: Can you describe the high-level architecture of a recent application you had worked on? … Read more...



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...



01: Can you design classes & interfaces using OO?

Q1. How would you go about designing a “farm animals” application where animals like cow, pig, horse, etc move from a barn to pasture, a stable to paddock, … Read...



01: Docker Tutorial – compile & run Helloworld.java

Docker, Jenkins, CI/CD, & DEV/OPS have been the buzz words for the last several years. You will be seeing this in more often in the job requirements as well. 21 Docker interview questions &

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01: Drools tutorial with Maven and Eclipse

Drools is an open source rules engine that allows you to externalize the business rules.

This tutorial assumes that you have gone through “Setting up Java,

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01: Getting started with AWS – creating accounts & setting up security

Step 1: Create an amazon.com account via Amazon.com.

Step 2: Create an aws.amazon.com account. You need to provide credit/debit card details even if you want to use the free tier for up to 12 months.

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01: Getting started with Jenkins on Docker tutorial

Jenkins is the most popular CI/CD server. There you create jobs that are triggered by some events (changed in a code repository, manually, etc). Those events invokes the steps like compiling to see if you can generate the executable.

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01: Install Kubernetes (i.e. minikube) on Mac

Learn Docker first. Getting started with Docker. Learn the Kubernetes basics at Kubernetes & Docker interview Questions & Answers Pre-requisites: brew is installed: Homebrew Homebrew Cask Docker Download and install...



01: JasperReports with iReport tutorial

JasperReports is a popular reporting framework/tool to produce reports in PDF, XLS, etc.

Step 1: Define a Person.java POJO class as defined below.

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01: Java data types interview Q&As

Q1. How would you go about choosing the right data types for your application?
A1. Java is what is known as a strongly typed language.

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01: JavaScript Vs Java interview Q&As

The client-side JavaScript based MVW (Model View Whatever) frameworks like AngularJS, Backbone, CanJS, Ember, etc have become mainstream and replacing server side Java based frameworks like JSF, … Read more...



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800+ Java Interview Q&As

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