class BinTreeNode<AnyType> {

public static void leafRemove(BinTreeNode<String> myNode, String e) {
   if (myNode == null) {
         return;
   }
   BinTreeNode<String> btn = myNode.leftSibling;
   if (btn != null) {
         if (btn.element.equals(e)) {
            if (btn.lastChild == null
                     && btn.leftSibling == null) {
               myNode.leftSibling = null;
            }
            return;
         }
         leafRemove(btn, e);
   }
   btn = myNode.lastChild;
   if (btn != null) {
         if (btn.element.equals(e)) {
            if (btn.lastChild == null
                     && btn.leftSibling == null) {
               myNode.lastChild = null;
            }
            return;
         }
         leafRemove(btn, e);
   }
}

private AnyType element;
private BinTreeNode lastChild;
private BinTreeNode leftSibling;
private int m;

public BinTreeNode(AnyType element, BinTreeNode<AnyType> lastChild,
         BinTreeNode<AnyType> leftSibling) {
   this.element = element;
   this.leftSibling = leftSibling;
   this.lastChild = lastChild;
}

public BinTreeNode(AnyType el) {
   this.element = el;
   this.leftSibling = null;
   this.lastChild = null;
}

public void setLastChild(BinTreeNode lastChild) {
   this.lastChild = lastChild;
}

public void setLeftSibling(BinTreeNode leftSibling) {
   this.leftSibling = leftSibling;
}

1) Write a program in Java to read in a non-negative integer less...