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在类Telphone属性设置为public screen中,在main方法中写成对象名.属性()即hello2.screen=6.0f是对screen赋值,能输出结果;但是写成hello2.screen(6.0f)就不对,显示错误,请问这是什么原因,这两者有什么区别?
光阴似箭催人老,日月如移越少年。
For variables, the equal sign is an assignment operation. The following writing method is to call a method called screen with a float parameter. Of course, if you don’t have this method, an error will be reported.
For variables, the equal sign is an assignment operation. The following writing method is to call a method called screen with a float parameter. Of course, if you don’t have this method, an error will be reported.