Difference between an interface and an abstract class, What is the differen...

What is the difference between an Interface and an Abstract class? An abstract class can have instance methods that execute a default behavior. An Interface can only declare co

How virtual communities are formed, How virtual communities are formed? How...

How virtual communities are formed? How these are different from other Communities? Give examples. Virtual Communities are interest-based communities. Members along with genera

Create a jsp code to built an application, What is required to be done from...

What is required to be done from my programming is : I enter name,day(saturady or sunday),time( 10AM and 10PM) My program must then vaildate name,day and time. Name must only a

User defined key class in the hashtables aur hashmap, You should override ...

You should override the hashCode() and equals() functions from the Object class. The default implementation of the hashcode() and equals(), which are inherited from the java.

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I want an idea for final year projects, i m confused what to take as a pro...

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What is constructor, What is Constructor? A constructor is used to init...

What is Constructor? A constructor is used to initialize a newly created object. It's called just after memory is allocated for the object. It can be used to initial

What do you mean by bean wiring, The act of making associations between app...

The act of making associations between application components (beans) within the Spring container is reffered to as Bean wiring.

Nested classes and Outer and inner classes,

How to initialize array in java, How to initialize array in java ? Indi...

How to initialize array in java ? Individual elements of an array are referenced through the array name and through an integer that represents their position in the array. The