re-imagined/char STR[] = "Hello\!".md

Last active April 5, 2016 05:06

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用char 来声明字符串时，最后会接一个结束符，长度比字符数大一

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char STR[] = "Hello\!";

有六个字符，但

cout << sizeof(STR);

的结果是7，因为后面还有一个结束符 "\0"。

for(int i = 0 ; i<=6; i++){
cout<<STR[i];  }

一样可以输出 Hello!

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