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ClassNotFoundException vs NoClassDefFoundError

The most confusing, unknown and much discusses exceptions in Java is ClassNotFoundException and NoClassDefFoundError. This is a common question that you very often face in a Java Interview irrespective of interview level. Here I covered at a greater detail about the reason or circumstances under which we see these tw...
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Comparable vs Comparator

In this blog i am explaining about comparable and comparator.What is the comparable and comparator and which scenarios we should go for comparable and comparator interface ,with methods and simple examples
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ConcurrentHashMap

This blog explaining about the ConcurrentHashMap. How is it works internally with detailed explanation with examples and their scenarios.What are the advantages there if you are using ConcurrentHashMap.
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Difference between final, finally and finalize()

What is the difference between final, finally, and finalize() ? Final is a keyword and it is a non-access modifier, It can be used in class level, method level or variable level. The Finally block is used for maintain cleanup code. Finalize() method is called before an object is discarded by th...
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Difference Between get() and load()

In hibernate, Session  class contains number of methods and every method used for specific purpose. Get and Load both are session class method used for retrieving the data from the database. Get and Load method are going to return data in the object format. There are number of differences available in get and ...
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