How to implement a tree data-structure in Java?

Question

Is there any standard Java library class to represent a tree in Java?

Specifically I need to represent the following:

• The sub-tree at any node can have

Answer 1

No answer mentions over-simplified but working code, so here it is:

public class TreeNodeArray {
    public T value;
    public final  java.util.List> kids =  new java.util.ArrayList>();
}