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OpenJPA: Memory Leak Case Study

This article will provide the complete root cause analysis details and resolution of a Java heap memory leak (Apache OpenJPA leak) affecting an Oracle Weblogic server 10.0 production ...
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Using Lambda Expression to sort a List in Java 8 using Netbeans Lambda Support

As part of JSR 335 Lambda expressions are being introduced to the Java language from Java 8 onwards and this is a major change in the Java language. If you want to learn more about ...
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Setup your Java Development Environment in Windows 7

I have been receiving a lot of requests over the time, from students and people willing to experiment with the Java language, on providing a simple guide on how to setup a Java development ...
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Serialization in java

Java provides mechanism called serialization to persists java objects in a form of ordered or sequence of bytes that includes the object’s data as well as information about the ...
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The Big Java News Keeps Coming: Java SE 6 and OpenJDK

I recently posted Recent Java 8 News, summarizing some of the recent developments in Java 8. In less than a week since publishing that post, several more significant Java news stories ...
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Template method design pattern in Java

Template method pattern is a behavioral design pattern which provide base method for algorithm,called template method which defers some of its steps to subclasses So algorithm structure ...
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Facebook Hacker Cup : Studious Student Problem Solution in Java

This program is a solution to Studious Student problem from Facebook Hacker Cup. The problem can be found here: link. The problem: Studious Student You’ve been given a list of words ...
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Hunting down memory leaks: a case study

A week ago I was asked to fix a problematic webapp suffering from memory leaks. How hard can it be, I thought – considering that I have both seen and fixed hundreds of leaks over ...
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Recent Java 8 News

Java 8 developments are starting to dominate the news again. Recent posts cover extending Milestone 7 of JDK 8 to ensure its feature complete, the Date/Time API now available in Java ...
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My Custom Thread Pool Executor in Java

ThreadPoolExecutor is a feature added by java concurrent api to maintain and reuse threads efficiently , so that our programs don’t have to worry about creating and destroying ...
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