Java Resources

This tutorial shows you how to create a simple "Hello World" example in Apache Ignite.

December 19, 2015

by Prachi Garg

· 54,043 Views · 13 Likes

Long and Double Values Are Not Atomic in Java

In Java 64-bit, long and double values were treated as two 32-bit values. That means, a 64-bit write operation is basically performed as two separate 32-bit operations.

December 18, 2015

by A N M Bazlur Rahman

CORE

· 64,589 Views · 18 Likes

Immutable Objects in Java

An overview plus some practical tips on immutable objects in Java.

December 18, 2015

by Davide Lorenzo Marino

· 70,376 Views · 18 Likes

Spring Boot Memory Performance

Curious to see Spring boot memory performance? Here's a look at Vanilla Spring boot, JVM tools, and more.

December 16, 2015

by Dave Syer

· 73,637 Views · 11 Likes

3 Reasons Why You Shouldn’t Replace Your for-loops With Stream.forEach()

Moving to Java 8? Congrats! Here's a guide to replacing everything with functions, removing object orientation, and discarding of design patterns.

December 14, 2015

by Lukas Eder

· 9,985 Views · 14 Likes

Understanding Thread Interruption in Java

How to get a task running on a separate thread to finish early, or make that task responsive to such a finish request.

December 12, 2015

by Praveer Gupta

· 96,933 Views · 12 Likes

Don't Let Your Java Objects Escape

How to use Escape Analysis with your Java projects to create more optimal, useful code.

December 11, 2015

by Per-Åke Minborg

· 16,120 Views · 6 Likes

Static Imports and Mockito With Java 8

How to simplify Mockito usage by removing static imports in Java 8 based projects.

December 11, 2015

by Marcin Zajączkowski

· 22,131 Views · 6 Likes

HTTP Status 405 with Spring Security with Custom Form Login Using JavaConfig

Want a custom login form created with JavaConfig? Here's a neat tutorial, which breaks down initial config, additions, and shows you why.

December 10, 2015

by Mick Knutson

· 22,818 Views · 5 Likes

High-Concurrency HTTP Clients on the JVM

HTTP is a super popular app protocol with loads of libraries. Here's a look at high-concurrency HTTP clients on Java virtual machines.

December 8, 2015

by Fabio Tudone

· 90,584 Views · 35 Likes

Yet Another Robust Way to Listen to Hibernate Events

How to use some of the great new interfaces in Hibernate 4.

December 5, 2015

by Taimur Mirza

· 11,460 Views · 11 Likes

This Week in Spring, Dec. 4, 2015

Read the ten recent stories around Spring that came out this week.

December 4, 2015

by Josh Long

· 3,958 Views · 3 Likes

Convert TIFF Images to PDF/JPEG in Java

This code snippet that uses the iText library can convert TIFF files into PDF or JPEG using Java.

December 3, 2015

by Shrisowdhaman Selvaraj

· 36,016 Views · 3 Likes

When Mockito’s InjectMocks Does Not Inject Mocks

How to perform unit tests in Java using Mockito's InjectMocks tool and how to get it working.

December 3, 2015

by Dror Helper

· 93,536 Views · 9 Likes

Calling Stored Procedures From Spring Data JPA

It is a common requirement to JPA connect to stored procedures or database functions. This article looks at how you can do this using Spring Data JPA.

November 30, 2015

by Martin Farrell

· 242,519 Views · 21 Likes