package cal;

/**
 * A class represents a single Tree Node with left and right node.
 * It will be extended.
 */
public class TreeNode {
	
	/** The left node. */
	TreeNode left;
	
	/** The right node. */
	TreeNode right;
}
@@ -214,9 +214,11 @@
  right;%0A
+%09%0A
 %7D

add a New Operator Feature