Answer / anu mehra

abstract classes contain
1)abstract as well as non abstract method
2) to inherit we use extends keyword

Interface
1) all methods are abstract ,public and static
2) all variables are public , static and final
3) to inherit we use implements keyword
4) interface can extend another interface

Answer / pramod kumar sharma

abstract class contains the at list one abstract methods and abstract methods contain the only declaration but no definition.

interface contain all methods abstract methods only.

Answer / dhanya

Any class with one or more abstract method is called an abstract class.It can have data attributes,concrete methods and constructors.Abstract class can differ the implementation
by declaring the method to be abstract,and a Java interface declares only the contract and no implementation.All methods declared in interface are public and abstract.All attributes are public,static and final.

Answer / latha

abstract class contains the abstract methods. these methods
contain the only declaration but no definition.

interface is the class which extends the many interfaces.
and the class implements the many interfaces

#include <iostream> using namespace std; struct wow { int x; }; int main() { wow a; a.x = 22; int c = a.x; int *b = new int; cout << c; return 0; } option: No output 0 22 -(11) Will not compile

1 Answers   CTS, Wipro,

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2 Answers   Infosys,

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