IOS开发---OC语言-⑪NSString

#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 = @"itcast";

char *name = "itcast";

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;

}

NSString的字符串输%@