valueOf() 的问题，在 Java 中将字符转换为字符
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problem with valueOf(), converting a char to Character in Java
提问by Fred
I'm trying to convert a char to Character before it gets pushed on a stack but get a "cannot find symbol error", I don't see what the problem might be. This is how I pass the char to the stack:
我试图在将字符压入堆栈之前将其转换为字符，但出现“找不到符号错误”，我看不出问题是什么。这就是我将字符传递给堆栈的方式：
stack.push(valueOf(in));
Where 'in' is a char.
其中 'in' 是一个字符。
采纳答案by Carl Smotricz
valueOfis a class method of Character, among others. You can't just call it without a class to hang it off.
valueOf是 的一个类方法Character，等等。你不能在没有课程的情况下调用它来挂断它。
What you're really looking for is
你真正要找的是
Character.valueOf(in)or new Character(in).
Character.valueOf(in)或new Character(in)。
回答by rsp
You are looking for:
您正在寻找：
stack.push(Character.valueOf(in));
回答by Andreas Dolk
I hope, valueOf(char c)is defined in the same class where you have that call ... ;)
我希望，valueOf(char c)是在你有那个电话的同一个班级中定义的......;）
