Java 方法名称的有效字符是什么？
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What are the valid characters for a Java method name?
提问by kon
I read about the naming of Java variables. It says that Java variables cannot start with any numbers and special characters except for $ and _.
我阅读了 Java 变量的命名。它说 Java 变量不能以任何数字和特殊字符开头，除了 $ 和 _。
Some valid examples:
一些有效的例子：
int count;
int _count;
int $count;
And some invalid examples:
还有一些无效的例子：
int %count;
int 4count;
int #count;
Do the same rules apply to method names?
相同的规则是否适用于方法名称？
回答by rid
Yes, method names and variable names are what's called "identifiers". Identifiers all share the same rules regarding accepted characters. Take a look at §3.8from the Java Language Specification to find out exactly what an identifier may contain, and §6.2for an explanation about how identifiers are used.
是的，方法名和变量名就是所谓的“标识符”。标识符都共享关于接受字符的相同规则。查看Java 语言规范中的第3.8节以准确找出标识符可能包含的内容，并查看第 6.2 节中有关如何使用标识符的说明。
回答by Damian
回答by Ahmed Laatabi
yes, you are right, the same rules are applied for functions.
是的，你是对的，同样的规则适用于函数。
回答by Christian
From the Java Tutorial:
来自 Java 教程：
"Although a method name can be any legal identifier, code conventions restrict method names." http://docs.oracle.com/javase/tutorial/java/javaOO/methods.html
“虽然方法名称可以是任何合法标识符，但代码约定限制了方法名称。” http://docs.oracle.com/javase/tutorial/java/javaOO/methods.html
