In "Method - Modifiers" you can define several properties, e.g. visibility.
The result type is specitied in the next textfield. You can find several useful default values in the context meu. If the field remains empty, "void" is used.
In the "Parameter List" you define each parameter transferred to the method seperately. Again you can find some default values in the context menu.
The "Throws List" defines the exceptions a method can throw. Default vaules can be found in the context menu.