OC之NSString

#import<Foundation/Foundation.h>

 

@interfacePerson : NSObject

{

    //char *_name;

    NSString *_name;

}

@end

 

intmain()

{

    /*

    // 最簡單的建立字符串的方式

    NSString*str = @"itcast";

   char *name = "itcast";

   

   

    NSLog(@"我在%@上課",str);

    //NSLog(@"%s", name);

    */

   

    int age = 15;

    int no = 5;

    NSString *name = @"哈哈jack";

    // length方法算的是字數

    int size = [name length];

    NSLog(@"%d", size);

   

    // 建立OC字符串的另外一種方式

    NSString *newStr = [NSString stringWithFormat:@"My age is %d and no is %d and nameis %@", age, no, name];

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

    return 0;

}