Question

在一书中,一门一门一门一门一门一门一门一门一门一门一门的课堂上,有一席:

while (i < len) { 
char c = s.charAt(i); 
if (c == ’(’) { 
count = count + 1; 
} else if (c == ’)’) { 
count = count - 1; 
} 
i = i + 1; 
}

<代码>(c = ( )? 这里也有同系的错误吗? 参看(c=)(_ need another )。

如果(c=......)?

Answer 1

围绕<代码>char/code>,其次为>>>>,环绕诸如<代码>String s = “a string”等座标。

在编码中,正在测试<代码>c为( nature)。

(BTW, You have ' natures in their Code, and I consider these should be natures.]

Answer 2

Single quotes indicate a character as opposed to a string which is wrapped in double quotes. So: char c = a ; string s = "a string";

Answer 3

Apostrophe here is used to surround one char value. With String you use "", with char you use