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Objects instance variables value

Akshay Reddy
Greenhorn

Joined: May 14, 2009
Posts: 21


what is the difference between line 2 and line 3,
how does the values of e1.count and e2.count read for line 2 and line3
(say)
Henry Wong
author
Sheriff

Joined: Sep 28, 2004
Posts: 18542
    
  40

what is the difference between line 2 and line 3,


In line 2, you are declaring a reference, and initializing it to the same object that is referenced by another reference.

In line 3, you are declaring a reference, and initializing it to a new object.

Henry


Books: Java Threads, 3rd Edition, Jini in a Nutshell, and Java Gems (contributor)
Akshay Reddy
Greenhorn

Joined: May 14, 2009
Posts: 21
you mean in line 2 e1 and e2 refer to the same object and in line 3 e2 is refering to a different object ...
David Newton
Author
Rancher

Joined: Sep 29, 2008
Posts: 12617

Yes.

Your while loop body will never execute, btw.
Akshay Reddy
Greenhorn

Joined: May 14, 2009
Posts: 21
i am sorry x<4 .
 
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