XML by Example

2. However, it is possible to attach methods or fields to the class itself.

These are declared with the

static modifier. This is useful, for exam-

ple, for keeping track of how many Point objects have been created:

class Point

{

public int x, y;

public static int numberOfPoints = 0;

}

Method and Parameters

In Java, the code is contained in methods. Note that there are no stand-

alone methods. Every method must be attached to a class.

The following example declares the

main() method. A method accepts para-

meters that are declared, like variables, in parentheses.

public static void main(String[] args)

{

// ...

}

Methods may return a value. The type of the return ...