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When to use in web.xml

25 Oct , 2016  

<load-on-startup> is suitable for those servlet which performs time consuming jobs e.g. Creating Database Connection pool, downloading fil...

Interview Questions,Uncategorized

DIFFERENCE BETWEEN a = a + b AND a += b ?

25 Sep , 2016  

The += operator implicitly cast the result of addition into the type of variable used to hold the result. When you add two integral variable e.g...

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Why the output are different?

17 Aug , 2016  

Certainly a very important concept… Well, first let me put the code that you provided: Output: Now, comes up the explanation… In C, a float ...

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What is “System.in” in java?

17 Aug , 2016  

The actual syntax for writing it is System.in, with a caps S, as System represents a class from java.lang package and in is the static field of ...

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What is the difference between POJO, JavaBeans, VO?

17 Aug , 2016  

POJO (Plain Old Java Object): A Plain Old Java Object or POJO is a term initially introduced to designate a simple lightweight Java object, not ...