Abstract classes vs interfaces

[Anant KUMAR SINGH]

(1) what is different between interface and abstract class.?

(2) why do need interface and abstract class..?

(3) why do need constructor in java..?

[madhoriya22]

(1) what is different between interface and abstract class.?

(2) why do need interface and abstract class..?

(3) why do need constructor in java..?

Hi,
You can find answers to these questions http://www.thescripts.com/forum/thread581237.html here OR
http://www.thescripts.com/forum/thread674148.html here(U can every find every kind of link which u require in this section).

[JosAH]

ps. I changed your topic title; 'Java' really is a nono for a topic title.

kind regards,

Jos

[praveen2gupta]

(1) what is different between interface and abstract class.?

(2) why do need interface and abstract class..?

(3) why do need constructor in java..?

Hi
Better specify yourr point of confussion.If you are not aware about your QN 3 then I will advice you to read the fundamental level books.