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;
}
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;
	
}
add a New Operator Feature