OC之NSString

#import<Foundation/Foundation.h>

 

@interfacePerson : NSObject

{

    //char *_name;

    NSString *_name;

}

@end

 

intmain()

{

    /*

    // 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 nameis %@", age, no, name];

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

    return 0;

}