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diff --git a/labs/lab6_toh/TowersTester.java b/labs/lab6_toh/TowersTester.java
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+++ b/labs/lab6_toh/TowersTester.java
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+
+public class TowersTester
+{
+	public static void main(String[] args)
+	{
+		int numDiscs = 7;
+		int point = 0;
+		
+		TowerOfHanoi t = new TowerOfHanoi(numDiscs);
+		
+		// Testing the method getNumberOfDiscs()
+		
+		System.out.println("Construct the Table of Hanoi puzzle with 7 disks using the following statement:");
+		System.out.println("  TowerOfHanoi t = new TowerOfHanoi(7);");
+		System.out.println("All test will be base on results of manipulating TowerOfHanoi t.\n");
+		
+		System.out.print("Testing the method getNumberOfDiscs(): ");
+		
+		if(t.getNumberOfDiscs() != numDiscs)
+		{
+			System.out.println("FAIL");
+			System.out.println("The method getNumberOfDiscs() should return " + numDiscs + ".");
+			System.out.println("But your method getNumberOfDiscs() returns " + t.getNumberOfDiscs() + ".\n");
+		}
+		else
+		{
+			point++;
+			System.out.println("PASS");
+		}
+		System.out.println("Your current point is " + point + ".\n");
+		
+		// Testing initial puzzle
+		
+		System.out.println("Testing initial puzzle");
+
+		int[][] tower0 = {{6,5,4,3,2,1,0},{},{}};
+		
+		int[] nd0 = {7,0,0};
+		
+		if(testPuzzle(t, nd0, tower0))
+		{
+			point++;
+		}
+		System.out.println("Your current point is " + point + ".\n");
+		
+		System.out.println("Move top disc from tower 0 to tower 1");
+		if(testMTD(t.moveTopDisc(0, 1), true, 0, 1))
+		{
+			point++;
+		}
+		System.out.println("Your current point is " + point + ".\n");
+		System.out.println("Testing the current puzzle");
+		int[][] tower1 = {{6,5,4,3,2,1},{0},{}};
+		int[] nd1 = {6,1,0};
+		if(testPuzzle(t, nd1, tower1))
+		{
+			point++;
+		}
+		System.out.println("Your current point is " + point + ".\n");
+
+		// Move
+		
+		System.out.println("Move top disc from tower 0 to tower 2");
+		if(testMTD(t.moveTopDisc(0, 2), true, 0, 2))
+		{
+			point++;
+		}
+		System.out.println("Your current point is " + point + ".\n");
+		System.out.println("Testing the current puzzle");
+		int[][] tower2 = {{6,5,4,3,2},{0},{1}};
+		int[] nd2 = {5,1,1};
+		if(testPuzzle(t, nd2, tower2))
+		{
+			point++;
+		}
+		System.out.println("Your current point is " + point + ".\n");
+		
+		// Move
+		
+		System.out.println("Move top disc from tower 1 to tower 2");
+		if(testMTD(t.moveTopDisc(1, 2), true, 1, 2))
+		{
+			point++;
+		}
+		System.out.println("Your current point is " + point + ".\n");
+		System.out.println("Testing the current puzzle");
+		int[][] tower3 = {{6,5,4,3,2},{},{1,0}};
+		int[] nd3 = {5,0,2};
+		if(testPuzzle(t, nd3, tower3))
+		{
+			point++;
+		}
+		System.out.println("Your current point is " + point + ".\n");
+		
+		// Move (false)
+		
+		System.out.println("Move top disc from tower 0 to tower 2 (MUST RETURN FALSE)");
+		if(testMTD(t.moveTopDisc(0, 2), false, 0, 2))
+		{
+			point++;
+		}
+		System.out.println("Your current point is " + point + ".\n");
+		System.out.println("Testing the current puzzle (MUST REMAIN UNCHANGED FROM PREVIOUS TEST)");
+		if(testPuzzle(t, nd3, tower3))
+		{
+			point++;
+		}
+		System.out.println("Your current point is " + point + ".\n");
+		
+	}
+
+	private static boolean testMTD(boolean aResult, boolean eResult, int fromTower, int toTower)
+	{
+		System.out.print("Test return value of the method moveTopDisc(): ");
+		if(aResult != eResult)
+		{
+			System.out.println("FAIL");
+			System.out.println("t.moveTopDisc(" + fromTower + "," + toTower + ") should return " + eResult + ".");
+			System.out.println("But your method moveTopDisc(" + fromTower + "," + toTower + ") return " + aResult + ".");
+		}
+		else
+		{
+			System.out.println("PASS");
+		}
+		
+		return aResult == eResult;
+	}
+	
+	private static boolean testPuzzle(TowerOfHanoi t, int[] numDiscs, int[][] tower)
+	{
+		boolean result = true;
+		
+		for(int i = 0; i < 3; i++)
+		{
+			System.out.print("Testing the method getNumberOfDiscs(" + i + "): ");
+			
+			if(t.getNumberOfDiscs(i) != numDiscs[i])
+			{
+				System.out.println("FAIL");
+				System.out.println("The method getNumberOfDiscs(" + i + ") should return " + numDiscs[i] + ".");
+				System.out.println("But your method getNumberOfDiscs(" + i + ") returns " + t.getNumberOfDiscs(i) + ".\n");
+				result = false;
+			}
+			else
+			{
+				System.out.println("PASS");
+			}
+
+			// Testing the method getArrayOfDiscs(0)
+			
+			System.out.print("Testing the method getArrayOfDiscs(" + i + "): ");
+			
+			if(!arrayToString(tower[i]).equals(arrayToString(t.getArrayOfDiscs(i))))
+			{
+				System.out.println("FAIL");
+				System.out.println("The method getArrayOfDiscs(" + i + ") should return the array " + arrayToString(tower[i]) + ".");
+				System.out.println("But your method getArrayOfDiscs(" + i + ") returns the array " + arrayToString(t.getArrayOfDiscs(i)) + ".\n");
+				result = false;
+			}
+			else
+			{
+				System.out.println("PASS");
+			}
+		}
+		
+		return result;
+	}
+	
+	private static String arrayToString(int[] array)
+	{
+		String result = "[";
+		
+		if(array.length > 0)
+		{
+			for(int i = 0; i < array.length - 1; i++)
+			{
+				result = result + array[i] + ",";
+			}
+		
+			result = result + array[array.length - 1];
+		}
+		
+		return result + "]";
+	}
+}