Android Programming for Beginners - Second Edition

Method structure

The first part of a method that we write is called the signature. Here is a hypothetical method signature:

public boolean addContact(boolean isFriend, string name)

If we add an opening and closing pair of curly braces {} with some code that the method performs, then we have a complete method – a definition. Here is another made-up, yet syntactically correct, method:

private void setCoordinates(int x, int y){
   // code to set coordinates goes here
}

As we have seen, we could then use our new method from another part of our code, like this:

// I like it here

setCoordinates(4,6);// now I am going off to setCoordinates method

// Phew, I'm back again - code continues here

At the point where we call setCoordinates, our program's execution ...