# Inheritance question

**URL:** <https://forum.kirupa.com/t/inheritance-question/258226>\
**Category:** flash\
**Created:** [April 22, 2008, 8:56am UTC](https://forum.kirupa.com/t/inheritance-question/258226 "2008-04-22T08:56:00Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Stratboy](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/stratboy/32/3054_2.png) [@Stratboy](https://forum.kirupa.com/u/Stratboy)\
**Post date:** [April 22, 2008, 8:56am UTC](https://forum.kirupa.com/t/inheritance-question/258226/1 "2008-04-22T08:56:00Z")

</div>

Hi! A simple (I think) question. Well, 2 classes in src/ihn:

```auto

//A.as

package src.inh{

	public class A{
		
		import flash.display.DisplayObjectContainer;
		import flash.display.Sprite;
				
			
		public var box:DisplayObjectContainer;
				
		public function A(box:DisplayObjectContainer){
			this.box = box;
		}
				
		public function traceA(){
			trace('A method');
		}
				
	}//fine classe
}//fine package

```

```auto

//B.as

package src.inh{

		public class B extends A{

				
				public function B(){
	
				}
				
				
		}//fine classe
}//fine package

```

And in the flash timeline:

```auto

var a = new A(this);

var b = new B(this);

b.traceA();

```

This code gives me this error:

[COLOR=“Red”]1203: No default constructor found in base class src.inh:A.

(see next post: )