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Java Deadlock Example – How to analyze deadlock situation

Deadlock is a programming situation where two or more threads are blocked forever, this situation arises with at least two threads and two or more resources. Here I have written a simple ...
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Java Annotations Tutorial with Custom Annotation

Java Annotations provide information about the code and they have no direct effect on the code they annotate. In this tutorial, we will learn about Java annotations, how to write custom ...
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Java Regular Expression Tutorial with Examples

When I started my career in java, regular expressions were a nightmare for me. This tutorial is aimed to help you mastering java regular expression and for me to come back at regular ...
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Rest using Jersey – Complete Tutorial with JAXB, Exception Handling and Client Program

Recently I started working on a Restful web service project using Jersey API. There are some tutorials available online but I faced some issues with exception handling and I didn’t ...
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Generate QR Code image from Java Program

If you are tech and gadget savvy, then you must be aware of QR codes. You will find it everywhere these days – in blogs, websites and even in some public places. This is very popular ...
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How to Avoid ConcurrentModificationException when using an Iterator

Java Collection classes are fail-fast which means that if the Collection will be changed while some thread is traversing over it using iterator, the iterator.next() will throw a ConcurrentModificationException. ...
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Understanding and Extending Java ClassLoader

The Java ClassLoader is one of the crucial but rarely used components of Java in Project Development. Personally I have never extended ClassLoader in any of my projects but the idea ...
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