ublic class TNode {
private int location;
private TNode next;
private TNode down;
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public TNode(int l, TNode n, TNode d) {
location = l;
public TNode() {
// No arguments sets location to 0
this(0, null, null);
public TNode(int l){
// Int argument sets location
this(l, null, null);
public int getLocation() { return location; }
public void setLocation(int l) { location = l; }
public TNode getNext() { return next; }
public void setNext(TNode n) { next = n; }
public TNode getDown() { return down; }
public void setDown(TNode d) { down = d; }
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