Methods
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Data types aren't much use unless you can do things with them. For this purpose classes have methods. Fields say what a class is. Methods say what a class does. The fields and methods of a class are collectively referred to as the members of the class. The classes you've encountered up till now have mostly
had a single method,
The fields are the same as before, but now there's also a
method called floorIt() . It begins with the Java keyword void
which is the return type of the method. Every method must have a return
type which will either be void or some data type like int ,
byte , float , or String . The return
type says what kind of the value will be sent back to the calling method
when all calculations inside the method are finished. If the return type
is int , for example, you can use the method anywhere you use
an int constant. If the return type is void then
no value will be returned.
There is one statement inside the method
Notice that within the Finally the Question: what are some other methods this class might
need? Or, another way of putting it, what might you want to do with a | |||
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