Question

Write a program to calculate area of circle for the given integer and for any non integer argument should be handled using the exception handling concept on java

Answer 1

Generics in Java

The Java Generics programming is introduced in J2SE 5 to deal with type-safe objects.

Before generics, we can store any type of objects in collection i.e. non-generic. Now generics, forces the java programmer to store specific type of objects.