Mine

// Name:
// Date:
// JavaAB Period 9
// BSTreeMain.java
// JavaAB Binary Search Tree Lab

import java.io.*;
import java.util.Scanner;

public class BSTreeMain
{
	public static void printMenu()
	{
		System.out.println("Make a choice from the menu below.");
		System.out.println("1. Print tree using in-order traversal");
		System.out.println("2. Print tree using pre-order traversal");
		System.out.println("3. Print tree using post-order traversal");
		System.out.println("4. Count the number of nodes in the tree");
		System.out.println("5. Count the number of leaves in the tree");
		System.out.println("6. Find the height of the tree");
		System.out.println("7. Find the longest path in the tree");
		System.out.println("8. Find the largest valued node in the tree");
		System.out.println("9. Find the smallest valued node in the tree");
		System.out.println("10. Search for user-provided value");
		System.out.println ("11. Delete user-provided value");
		System.out.println("12. Quit");
		System.out.println();
	}
	
	public static void createTree(BSTree myTree, String expression)
	{
		// Get a characters from the String parameter.
		// Convert the character to String. 
		// Value in a TreeNode must be an Object reference.  
		// Build a tree after converting the character back to String
		// work with file data later
		for(int n  = 0; n < expression.length(); n++)
		{
			char ch = expression.charAt(n);
			myTree.add((Character)ch);
		}

	}
	
	public static void main (String [] args) throws IOException
	{
		
		BSTree myTree = new BSTree();
		BSTreeMain.printMenu();
		BSTreeMain.createTree(myTree, "KECAJGHORSV");
		Scanner scan = new Scanner(System.in);
		
		System.out.print ("Enter your choice: ");
		int choice = scan.nextInt();
		
		switch(choice)
		{
			case 1:
					System.out.println("1. Print tree using in-order traversal");
					System.out.println(myTree.inOrder());
					break;
			case 2:
					System.out.println("2. Print tree using pre-order traversal");
					System.out.println(myTree.preOrder());
					break;
			case 3:
					System.out.println("3. Print tree using post-order traversal");
					System.out.println(myTree.postOrder());
					break;
			case 4:
					System.out.println("4. Count the number of nodes in the tree");
					break;
			case 5:
					System.out.println("5. Count the number of leaves in the tree");
					break;
			case 6:
					System.out.println("6. Find the height of the tree");
					break;
			case 7:
					System.out.println("7. Find the longest path in the tree");
					break;
			case 8:
					System.out.println("8. Find the largest valued node in the tree");
					break;
			case 9:
					System.out.println("9. Find the smallest valued node in the tree");
					break;
			case 10:
					System.out.println("10. Search for user-provided value");
					break;
			case 11:
					System.out.println ("11. Delete user-provided value");
					break;
			case 12:
					System.out.println("12. Quit");
					break;	
		}		
	}
}