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A typical ShutdownHook in Java

Java Shutdown Hook

Shutdown hooks are a very important feature of the JVM. They provide the capability to do resource cleanup or store application state when the JVM shuts down. In a typical application there are lot of different type of resources like Database Connection Pool, Thread Pools, Job Schedulers etc. that are …

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How to select a JVM Analyzing Tool?

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A JVM monitoring tool also know as a Diagnostic might be needed to fine tune your Java application for performance, reduce memory footprint, avoid contention/deadlocking etc. As such selecting a right tool is very important. There are a number of commercial and open source software available today. We would try …

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Write a program to generate Fibonacci Numbers

In mathematics, the Fibonacci numbers are the numbers in the following sequence: 0,1,12,3,5,8,13,21,34,55,89,144 By definition, the first two Fibonacci numbers are 0 and 1, and each remaining number is the sum of the previous two. Some sources omit the initial 0, instead beginning the sequence with two 1s. In mathematical …

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