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NSString

时间:2014-12-24 09:50:22      阅读:141      评论:0      收藏:0      [点我收藏+]

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void stringCreate() {

    

    NSString *str = @"String";

    NSLog(@"%@",str);

    

    NSString *str1 = [[[NSString alloc] init] autorelease];

    str1 = @"String1";

    NSLog(@"%@",str1);

    

    NSString *str2 = [[NSString alloc] initWithString:@"String2" ];

    NSLog(@"%@",str2);

    [str2 release];

    

    NSString *str3 = [[NSString alloc] initWithUTF8String:"String3"];

    NSLog(@"%@",str3);

    [str3 release];

    

    //静态方法不需要管理内存

    str3 = [NSString stringWithString:@"String3"];

    NSLog(@"%@",str3);

    

    NSString *str4 = [[NSString alloc] initWithFormat:@"my age is %i and height is %.2f",19, 1.55f];

    NSLog(@"str4:%@",str4);

    [str4 release];

    

    str4 = [NSString stringWithFormat:@"my age is %i and height is %.2f",19, 1.55f];

     NSLog(@"str4:%@",str4);

    

    str4 = [NSString stringWithUTF8String:"String4"];

    NSLog(@"%@",str4);

    

    

}

NSString

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原文地址:http://www.cnblogs.com/unity-lan/p/4181680.html

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