e-Zest members share technology ideas to foster digital transformation. | Java (9)

Scroller control in JavaFX 2

JavaFX 2.x has many fascinating and useful controls. Among them “TabPane” is also one of the control. Here I am not going in detail about TabPane control, but ...

By Sai Dandem Jun 13, 2012

Caching with periodic updates using EJB 3.1 Singleton and Timer

With the introduction of Singleton beans in EJB 3.1, implementing a cache in the business-tier has become easy. Only one instance of a singleton bean is ...

By Madhura Oak Jun 07, 2012

Limitations of intrinsic lock and solution

Java SE 5.0 introduced classes for locking called as Lock API. They are part of java.util.concurrent.locks package. Until then, only synchronized methods and ...

By Madhura Oak Jun 04, 2012

A lock-free and faster approach to get Singleton instance

The traditional way of implementing Singleton design pattern is given in Listing 1. The implementing class provides a static method which instantiates it if no ...

By Madhura Oak May 23, 2012

A Partial-Blocking Thread-Safe Cache

Let’s revisit the cache implementation for storing frequently searched programs. One strategy to implement fixed size cache is to maintain the search count for ...

By Madhura Oak May 17, 2012

Writing Thread-Safe Programs – Analyze Cost Of Locking

One way of writing a thread-safe class is to use synchronization when its shared variables are being modified so that a lock is obtained by the executing ...