blog.kdgregory.com

Have you ever seen a class like this, which synchronizes put() but not get() ? Have you ever written one? public class MyConcurrentlyAc...

If you need to build a lookup table for some large number of values, what data structure should you choose? Obviously , you want a hashed...

I went back to reading Stack Overflow during my convalescence. And saw a bunch of questions and answers that really disturbed me . For t...

The last post “turned an object inside-out” to eliminate the overhead of a list of discrete objects. While that technique allows you to pac...

It may seem strange to talk about “living among primitives” and then jump to data structures, but the truth is that most programs work with...

There are a lot of people who say that Java shouldn't have primitive data types, that everything should be an object. And there is some...

Last week Terracotta released BigMemory , which stores objects outside of the Java heap and “defuses the GC time bomb.” Since I've writ...

A lot of programmers have the belief that String.intern() can be used to speed up if - else chains. So instead of writing this: public ...

This was originally written as an answer to a StackOverflow question where the original poster and several responders seemed to have some ...