Once again, you should place the static keyword after the visibility modifier.
再次，应将static关键字放在可见度修饰符后。
To declare a static property, place the keyword static after the visibility modifier, directly in front of the property variable.
要声明静态属性，将关键字static放在可见度修饰符后面，直接位于属性变量前面。
That means that they should include the abstract keyword, optionally a visibility modifier, the function keyword, and an optional list of arguments in parentheses.
这意味着，抽象方法应包括abstract关键字、可选的可见度修改符、function关键字，以及圆括号内可选的参数列表。
Change the visibility modifier of the derived-class method to match the visibility of the base class method.
对派生类方法的可见性修饰符进行修改，使其与基类方法的可见性相匹配。
Change the visibility modifier of the derived-class method to match the visibility of the base class method.
对派生类方法的可见性修饰符进行修改，使其与基类方法的可见性相匹配。
应用推荐