#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; }
时间: 2024-10-12 13:32:21