implement 'nextSibling()' method

[mickey]

Hello,
I'd like to obtain this under but I don't know what I must to use. I need to access to the father of an object; I give you the idea under here:

public class MyElemNode extends MyNode {
	List<MyNode> child = new ArrayList<MyNode>();
 
	public MyElemNode() { }
	public MyNode getFirstChild() { return child.get(0);  }
	public MyNode getLastChild() { return child.get( child.size()-1 );  }
	public MyNode nextSiblingNode() { //1
                       int i = getPositionOfThisObjectInFather.child();
                       return  father.child(i+1);
            }
}
//main
  MyElemNode e = new  MyElemNode();
 e. add( new  MyElemNode, new  MyElemNode ......................);
  MyElemNode ep = e.get(5); //assuming it exists
   MyElemNode sib =    ep.nextSibling();   // how to obtain this?

public class MyElemNode extends MyNode {
	List<MyNode> child = new ArrayList<MyNode>();
	
	public MyElemNode() { }
	public MyNode getFirstChild() { return child.get(0);  }
	public MyNode getLastChild() { return child.get( child.size()-1 );  }
	public MyNode nextSiblingNode() { //1
                       int i = getPositionOfThisObjectInFather.child();
                       return  father.child(i+1);
            }
}
//main
  MyElemNode e = new  MyElemNode();
 e. add( new  MyElemNode, new  MyElemNode ......................);
  MyElemNode ep = e.get(5); //assuming it exists
   MyElemNode sib =    ep.nextSibling();   // how to obtain this?

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thanks

[franz]

Pass the parent (father) in the constructor or add a setParent() function to your node.