Question

how to represent static function

Answer 1

public static "datatype" methodName(parameters)
{
}
eg. public static void displayAll(String[] names)
{
}

Answer 2

then to call a method you have to use the java class name infront of the method.
for example say the java class name is "contacts" you would call the method with "contacts.displayAll(names);"

Answer 3

thanx rahul