File APIs for Java Developers
Manipulate DOC, XLS, PPT, PDF and many others from your application.
http://aspose.com/file-tools
The moose likes Programmer Certification (SCJP/OCPJP) and the fly likes eligible for garbage collection Big Moose Saloon
  Search | Java FAQ | Recent Topics | Flagged Topics | Hot Topics | Zero Replies
Register / Login


Win a copy of Murach's Java Servlets and JSP this week in the Servlets forum!
JavaRanch » Java Forums » Certification » Programmer Certification (SCJP/OCPJP)
Bookmark "eligible for garbage collection" Watch "eligible for garbage collection" New topic
Author

eligible for garbage collection

rex tony
Ranch Hand

Joined: Aug 29, 2007
Posts: 159


i can't understand any can explain this concepts?
Regards
Rex
Pranav Bhatt
Ranch Hand

Joined: Mar 20, 2006
Posts: 284
Rex,
Here first at the time of creation
a refers to Integer object i.e a-> Integer Object
b refers to Long object i.e b-> Long Object
c refers to String object i.e a-> Sting Object

We will go now line by line-:

Line 4-: a-> null, so Integer Object is not being referenced by any references.

Line 5-: a refers to what c is refering
i.e a->String Object , c->String Object , b-> Long Object

Line 6-: c refers what b is refering so-:
c-> Long Object, b-> Long Object ,a-> still String Object

Line 7-: b refers to what a is refering so finally we land at
a-> String Object, b-> String Object and c-> Long Object

So only our Interger object has lost references to it. So eligible to GC.
I hope this clears it...
 
I agree. Here's the link: http://aspose.com/file-tools
 
subject: eligible for garbage collection
 
Similar Threads
garbage collection
Do Exceptions thrown are eligible for Garbage Collection?
Taking out the Garbage!
Fellows, please come in and check this question
Please solve the following Problem.