Java

Releasing Maven Artifacts

Object Oriented Programming is an expensive disaster which must end

Benchmark: How Misusing Streams Can Make Your Code 5 Times Slower (keyword: lambdas)

Benchmark: How Misusing Streams Can Make Your Code 5 Times Slower

while loop - Java method with return type compiles without return statement - Stack Overflow

Parameter passing in Java - by reference or by value?

Either You Succeed or Explain: Five ways for tracing Java execution

Runtime Exceptions--The Controversy

Why does my Java process consume more memory than Xmx? – Plumbr

Virtual Memory Usage from Java under Linux, too much memory used - Stack Overflow (explanation of RES, VIRT and SWAP shown in top)

WebSphere (WAS) Classloader Troubleshooting

ClassNotFoundException: A List of Dumb Things to Check

IBM Knowledge Center

IBM MustGather: Classloader problems for WebSphere Application Server - United States

IBM Setting up a trace in WebSphere Application Server - United States

Also see Web, Testing and Parallelism

Stevey's Blog Rants: Execution in the Kingdom of Nouns

Java IAQ: Infrequently Answered Questions

java - Why is processing a sorted array faster than an unsorted array? - Stack Overflow

Is *this* really the best way to start a second JVM from Java code? - Stack Overflow

AngularJS — Superheroic JavaScript MVW Framework

Welcome to TypeScript

How to Write an Equality Method in Java (keywords: equals, hashCode)

Why mobile web apps are slow | Sealed Abstract

developerWorks : Technical Topics : Java™ technology : IBM Developer kits : Tools : DTFJ

The Secret Life Of The Finalizer: page 1 of 2 (keywords: finalize, finalizing, finalization)

Gradle - Build Automation Evolved

Configuring Middlegen to Generate Hibernate Files from MySQL

javascript - How to decide when to use NodeJS? - Stack Overflow

JD-GUI | Java Decompiler

Performance

Java Persistence Performance: What is faster? JVM Performance

Also see Web and Testing

Solving Intractable Problems - Eternity 2 Solution Finders | GrokCode (Java Solver Faster than C++ on Same Architecture)

HAL - INRIA :: [inria-00312039, version 1] Current State of Java for HPC (In some environments, Java is close to Fortran in speed)

InfoQ: A Discussion With Neal Gafter on the Future of Java

How to fix the dreaded "java.lang.OutOfMemoryError: PermGen space" exception (classloader leaks) (Frank Kieviet)

Memory Analyzer Blog: Heap Dump Analysis with Memory Analyzer, Part 2: Shallow Size

Also see Web

Log4j

You can enable log4j internal logging by defining the log4j.debug variable. Pattern layout

Think again before adopting the commons-logging API

Java Web Start

jhat - Java Heap Analysis Tool

Monitoring and Managing Java SE 6 Platform Applications

Memory Leaks & Profiling

HPROF: A Heap/CPU Profiling Tool in J2SE 5.0 (java -agentlib:hprof=heap=sites classname)

SerialRemoteIteratorServer (RMI IO Utilites 2.0.3-SNAPSHOT API)

Overview (RMI IO Utilites 2.0.3-SNAPSHOT API)

C3P0 (Pooling)

Versioned Dependencies

Versioned Dependencies

msg.setDataHandler(new DataHandler(new ByteArrayDataSource(message, "text/plain; charset=utf-8"))); \\

messageBodyPart.setText(message, "UTF-8");
msg.setDataHandler(new DataHandler(new ByteArrayDataSource(message, "text/plain; charset=utf-8"))); msg.setContent(message, "text/plain; charset=\"utf-8\"");

javax.mail issue: Edit the mailcap file and add this line to it:
text/plain;; x-java-content-handler=com.sun.mail.handlers.text_plain

or use:
msg.setDataHandler(new DataHandler(new ByteArrayDataSource(text.toString(), "text/plain; charset=utf-8")));

Retrotranslator (Convert Java 1.5 bytecode to Java 1.4)

Generics

Log4j: You can enable log4j internal logging by defining the log4j.debug variable. Pattern layout

Log4j
You can enable log4j internal logging by defining the log4j.debug variable. Pattern layout

J2ME and Wireless

J2SE and J2EE

Java3D

Java Floating Point (double, BigDecimal, and why it matters)

Java GUI Development (including JavaFX)

JavaScript

Serialization Spec @ java.sun.com