-(NSString *)uppercaseString;
Returns an uppercased representation of the receiver.
===== ObjC Sourcecode Example =====
NSString *myString=@"hello world";
myString=[myString uppercaseString];
NSLog(@"%@",myString);
==== Output for this example code ====
2012-04-15 12:55:10.763 FoundationNSString[750:403] HELLO WORLD