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Thirumalai Muthu
Ranch Hand

Joined: Oct 07, 2007
Posts: 75
Integer i1=100;
Integer i2=new Integer(100);

What is the difference between these two Statements?
Can anyone Please Explain.Thanks

marc weber

Joined: Aug 31, 2004
Posts: 11343

The second statement explicitly creates a new wrapper instance. But the first statement uses boxing, which either implicitly creates a new wrapper instance, or (because the value is within the range of a byte) references an existing instance. See JLS 5.1.7 for details.

"We're kind of on the level of crossword puzzle writers... And no one ever goes to them and gives them an award." ~Joe Strummer
I agree. Here's the link:
subject: Wrapper
It's not a secret anymore!