Object-c------NSString

#import <Foundation/Foundation.h>


int main()
{

    NSString *str = @"asd";

    NSLog(@" %@ ", str);


    int age = 10;
    int no = 5;
    NSString *name = @"jack";

    //计算的是个数
    int size = [name length];
    NSLog(@"-----%d",size);


    //创建OC字符串的另一种方式
    NSString *newstr = [NSString stringWithFormat:@"My age is %d and is %d and name is %@", age ,no ,name];

    NSLog(@"-------%@", newstr);

    return 0;
}