[問題] 新手一個問題
各位大大好
因為覺得觀念不太好
又重新去做了一些練習
然後有一個地方搞不懂
NSString *string = @“abc”;
跟
NSString * string = [[NSString alloc] init];
string = @"abc";
有兩個什麼不一樣呢?
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