FLASH® LITE™ 2.x - Adobe Help and Support

A subclass of the Vehicle class can also be written using the keyword super, which the subclass
can use to access properties and methods of the superclass. The following example shows a
third AS file, called Truck.as, again in the same directory. The Truck class uses the super
keyword in the constructor and again in the overridden reverse() function.
class Truck extends Vehicle {
var numWheels:Number;
function Truck(param_numDoors:Number, param_color:String,
param_numWheels:Number) {
super(param_numDoors, param_color);
this.numWheels = param_numWheels;
}
function reverse():Void {
beep();
super.reverse();
}
function beep():Void {
trace("[Truck] make beeping sound");
}
}
The following example instantiates a Truck object, calls a method overridden by the Truck
class (reverse()), then calls a method defined in the Vehicle class (stop()):
var myTruck:Truck = new Truck(2, "White", 18);
myTruck.reverse(); // output: [Truck] make beeping sound [Vehicle] reverse
myTruck.stop(); // output: [Vehicle] stop
See also
class statement
for statement
for(init; condition; next) {
statement(s);
}
Evaluates the init (initialize) expression once and then starts a looping sequence. The
looping sequence begins by evaluating the condition expression. If the condition
expression evaluates to true, statement is executed and the next expression is evaluated. The
looping sequence then begins again with the evaluation of the condition expression.
The curly braces ({}) used to enclose the block of statements to be executed by the for
statement are not necessary if only one statement will execute.
Statements 181