NSString

 

#import <Foundation/Foundation.h>

 

@interface Person : NSObject

{

    //char *_name;

    NSString *_name;

}

@end

 

int main()

{

    /*

    // 最简单的创建字符串的方式

    NSString *str = @"itlance";

     char *name = "itlance";

     NSLog(@"我在%@上课", str);

    //NSLog(@"%s", name);

    */

     int age = 15;

    int no = 5;

    NSString *name = @"哈哈jack";

    // length方法算的是字数

    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 no is %d and name is %@", age, no, name];

   NSLog(@"---- %ld", [newStr length]);

    

    return 0;

}