Dont instantiate Abstract Class Java
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Short Java Interview Question And Answer ?
1.Difference between Interfaces and Abstract classes ?
Abstract classes have a body ( member elements ) where as Interfaces just have methods and static member declarations.
2.Explain Constructor ?
Its an operation that initializes the object. Its a block of code which is executed at the time of Object creation.
3.What is Dynamic Binding ?
Association of function call to function definition during run time.
4.What is the use of Volatile Keyword ?
Volatile is a declaration that a variable can be accessed by multiple threads and hence shouldn't be cached.
5.Explain Serialization ?
Storing the state of an object in a file or database or other medium.
Dont instantiate Abstract Class Java