Core Java
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JUnit ExpectedException rule: beyond basics
There are different ways of handling exceptions in JUnit tests. As I wrote in one of my previous posts, my…
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Java can finally join strings
I am sure you were in a situation in which you wanted to join multiple strings. If you were using…
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How HashMap works in java
Most common interview questions are “How HashMap works in java”, “How get and put method of HashMap work internally”. Here…
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Migrating from javaagent to JVMTI: our experience
When you need to gather data from within the JVM, you will find yourself working dangerously close to the Java…
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Simplifying ReadWriteLock with Java 8 and lambdas
Considering legacy Java code, no matter where you look, Java 8 with lambda expressions can definitely improve quality and readability.…
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Getting JUnit Test Names Right
Finding good names is one of the challanges of crafting software. And you need to find them all the time…
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Java 8 Friday Goodies: Lean Concurrency
At Data Geekery, we love Java. And as we’re really into jOOQ’s fluent API and query DSL, we’re absolutely thrilled…
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How to monitor multiple JVM’s on a server with VisualVM
In the last article I have shown you how to start WebLogic Server with single admin and mulitiple managed servers.…
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NetBeans IDE 8.0 and new features for Java 8
NetBeans IDE 8.0 is released, also providing new features for Java 8 technologies. It has code analyzers and editors for…
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