public abstract void setLeftChild(MyTreeSet <T> left);
public override void setRightChild(MyTreeSet <T> right)
{
this.rightChild = (MyTreeSetImpl <T>)right;
}
public abstract void setRightChild(MyTreeSet <T> right);
public override void setLeftChild(MyTreeSet <T> left)
{
this.leftChild = (MyTreeSetImpl <T>)left;
}