Wednesday, December 19, 2012

JAVA Garbage Collection

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Garbage (GC) collection is the process by which the java virtual machine frees up memory by releasing the memory taken up by objects that a...
1 comment:
Sunday, November 18, 2012

Spring JAVA config tutorial

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The classic way of configuring beans in Spring is using XML. But many programmers find switching between XML and java code annoying. Having ...
Friday, October 19, 2012

JAVA Synchronized HashMap vs ConcurrentHashMap

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A synchronized HashMap is a Map returned by calling  synchronizedMap methods of java.util.Collections class. Map syncMap = Collections.sy...
Sunday, September 16, 2012

Hadoop 2.x Tutorial

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Hadoop 2.x release involves many changes to Hadoop and MapReduce. The centralized JobTracker service is replaced with a ResourceManager tha...
6 comments:
Friday, August 17, 2012

JAVA enum tutorial

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Java language has supported enum type for several releases. Yet, many programmers do not use it or do not fully understand all features of ...
2 comments:
Tuesday, July 17, 2012

Scaling The Relational Database

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Scalability of a web application is the ability to handle increased load whether it is requests or number of users or data without having t...
1 comment:
Tuesday, June 12, 2012

5 Tips for building low latency web applications

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Low latency applications are those that need to service requests in a few milliseconds or microseconds. Examples of a low latency applicati...