Java Resources

Memory Analysis: How to Obtain Java Heap Dump

Exploring automatic and manual Heap Dumps in Oracle JDK8 for troubleshooting memory issues.

September 16, 2016

by Siva Prasad Rao Janapati

· 89,063 Views · 10 Likes

Thread dumps are vital artifacts to diagnose CPU spikes, deadlocks, memory problems, unresponsive applications, poor response times, and other system problems.

Updated September 15, 2016

by Ram Lakshmanan

CORE

· 185,720 Views · 44 Likes

JMS: A Quick and Complete Guide

This guide will walk you through all you need to know about JMS and how it works, communicates, and connects with other software.

September 14, 2016

by Arun Pandey

CORE

· 32,696 Views · 31 Likes

Distributed Tasks Execution and Scheduling in Java, Powered By Redis

A walk through the new features of Redisson node, a way to perform distributed task execution using Redis.

September 13, 2016

by Nikita Koksharov

· 44,040 Views · 11 Likes

Mockito Custom Answers

Custom argument matchers and custom answer behavior allow us to use Mockito to mock complex and responsive behavior, making for highly realistic tests.

September 13, 2016

by Alan Hohn

· 7,053 Views · 2 Likes

How HashMap Works in Java

HashMap questions are common in job interviews. Here's some in-depth explanation of how HashMaps work internally in Java.

September 12, 2016

by Jackson Joseraj

· 258,950 Views · 96 Likes

Mockito Basic Example Using JDBC

Object mocking frameworks use complex code generation and reflection to cut out a lot of boilerplate test code.

September 12, 2016

by Alan Hohn

· 174,336 Views · 18 Likes

Forbidden APIs of Java

Dealing with locale settings and APIs can be hazardous. Read on to find out how to deal with this situation!

September 9, 2016

by Furkan Kamaci

· 18,222 Views · 25 Likes

Creating a Simple Java REST Service Using HTTP-RPC

We take a look at how to implement a Java-based web service using the HTTP-RPC framework. Read on to find out how and for some example code.

September 8, 2016

by Greg Brown

· 13,394 Views · 7 Likes

How Netflix's Circuit Breaker Works

See how Netflix's microservices-oriented circuit breaker works to prevent cascade failures and other problems.

September 7, 2016

by Rafael Salerno

· 47,158 Views · 22 Likes

How to Debug Java Using a Decompiler

Decompiling Java code may not be something you do in daily development but it can help turn the tide when debugging critical problems.

September 6, 2016

by Freyja Spaven

· 13,414 Views · 5 Likes

How ConcurrentHashMap Works Internally in Java

Understanding how ConcurrentHashMap works with a list of concrete examples.

September 6, 2016

by Arun Pandey

CORE

· 483,650 Views · 66 Likes

JAX-WS With MTOM Using Mule

Want your XML to stay lightweight? See how to keep it that way to avoid bloated messages.

September 2, 2016

by Anil Kumar V

· 6,897 Views · 11 Likes

Different Types of References in Java

An explanation of the four main types of references in Java and how they are affected during Garbage Collection.

September 1, 2016

by Shaamik Mitraa

· 42,629 Views · 34 Likes

Best Practices for Code Documentation in Java

How to use JavaDoc effectively to communicate to your teammates what your code is supposed to do.

August 29, 2016

by Damian Wolf

· 107,811 Views · 24 Likes

Spring Data, MongoDB, and Java 8

Utilizing the latest Spring frameworks to convert Java 8 dates inside of MongoDB, simplifying a once difficult conversion task. Great concise NoSQL and Java tutorial.

August 29, 2016

by Yong Mook Kim

· 32,692 Views · 15 Likes