theboy的起居注

#import <Foundation/Foundation.h>
 
int main (int argc, const char * argv[]) {
    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
	//+ (id) stringWithFormat: (NSString *) format,...;
    NSMutableString *friends=[NSMutableString stringWithCapacity:50];
	[friends appendFormat:@"I love duoduoluo,and you?"];
	NSRange range=[friends rangeOfString:@"you"];
	range.length++;
	[friends deleteCharactersInRange:range];
	NSLog(@"%@",friends);
    [pool drain];
    return 0;
}