‘_‘ should not be used as an identifier, since it is a reserved keyword from source level 1.8 on

'_' should not be used as an identifier, since it is a reserved keyword from source level 1.8 on

‘_‘ should not be used as an identifier, since it is a reserved keyword from source level 1.8 on_第1张图片

‘_‘ should not be used as an identifier, since it is a reserved keyword from source level 1.8 on_第2张图片

尽量用英文字符来表示和定义会更加容易维护和阅读,呼。。UNDERLINE

你可能感兴趣的:(java,java)