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Java threads: How many should I create

Introduction“How many threads should I create?”. Many years before one of my friends asked me the question, then I gave him the answer follow the guideline ...
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I/O Demystified

With all the hype on highly scalable server design and the rage behind nodejs I have been meaning to do some focused reading on IO design patterns to which until now couldn’t ...
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Creating a Java Dynamic Proxy

Java Dynamic proxy mechanism provides an interesting way to create proxy instances. The steps to create a dynamic proxy is a little tedious though, consider a proxy to be used for auditing ...
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Five useful ways to sorting in java

A rapid overview of java sorting :                     normal sort of list : private static List VEGETABLES = Arrays.asList("apple", ...
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Java: Mergesort using Fork/Join Framework

The objective of this entry is to show a simple example of a Fork/Join RecursiveAction, not to delve too much into the possible optimizations to merge sort or the relative advantages ...
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Java Thread at RUNNABLE state is not really running

Recently, I was doing an analysis/tuning on a Java application server installation in order to identify the bottlenecks and fix them. The most common action in such procedure (tuning) ...
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Exception: java lang AbstractMethodError

This java.lang.AbstractMethodError is usually thrown when we try to invoke the abstract method.Generally this error is identified at the compile time itself,if this ...
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Java Exception: java lang NoSuchMethodError

If you have a look at the error message java.lang.NoSuchMethodError you may understand that the Java Virtual Machine is trying to indicate us that the method you invoked is not available ...
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Memory Access Patterns Are Important

In high-performance computing it is often said that the cost of a cache-miss is the largest performance penalty for an algorithm. For many years the increase in speed of our processors ...
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Java 8: Testing the Lambda Water

Java 8 is about a year away and comes with a language feature I really look forward to: Lambda Expression. Sadly the other big feature, Modules for the Java Platform, has been delayed ...
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