e-Zest members share technology ideas to foster digital transformation. | Multithreading (3)

Queues And Blocking Queues

The Java Collections Framework provides Queue interface and its implementation classes as shown in Figure 1 which enable usage of queue data structure in a ...

By Madhura Oak Jul 10, 2012

Active Object Pattern

Ever wondered how a file is attached to an e-mail in web-based mail applications such as Yahoo Mail, Gmail etc.? If you have been using Yahoo Mail for some ...

By Madhura Oak Jul 02, 2012

Thread-safe collection wrappers and alternative classes

The java.util.Collections class provides the following static methods to wrap a collection into a thread-safe collection:

By Madhura Oak Jun 21, 2012

When to use ThreadLocal?

JDK 1.2 introduced ThreadLocal class to maintain the thread’s local state. A thread may need to share some state with the classes in which it runs and a thread ...

By Madhura Oak Jun 19, 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 ...