在您的情况下，您应该只创建一个类变量. 只需在类public static String inputLine;中声明 更改字符串inputLine = input.readLine();到inputLine=input.readLine();，您可以使用Main.inputLine从同一包中的其他类访问它.

In your case, you should just create a class variable. Just declare inside the class, public static String inputLine; Change String inputLine=input.readLine(); to inputLine=input.readLine(); and you can access it from other classes in the same package using Main.inputLine.