diff --git a/tutor/app/assets/javascripts/solutions.js.coffee b/tutor/app/assets/javascripts/solutions.js.coffee
index 09ab84de..cd3c7a95 100644
--- a/tutor/app/assets/javascripts/solutions.js.coffee
+++ b/tutor/app/assets/javascripts/solutions.js.coffee
@@ -1,7 +1,7 @@
 # The list of variables
-Variables = null
+variables = null
 # The number of the current index of the line to be executed
-IndexNumber = 0
+indexNumber = 0
 
 # [Debugger: Debug - Story 3.6]
 # Sends the code to the server and changes the Variables to the data recieved
@@ -12,8 +12,6 @@ IndexNumber = 0
 @start_debug = (problem_id) ->
 	input = $('#solution_code').val()
 	test = $('#testcases').val()
-	alert input
-	alert test
 	start_spin()
 	$.ajax
 		type: "POST"
@@ -21,14 +19,10 @@ IndexNumber = 0
 		data: {code : input , case : test}
 		datatype: 'json'
 		success: (data) ->
-			$('#nextButton').attr "disabled", false
-			$('#previousButton').attr "disabled", true
 			toggleDebug()
-			Variables = data
+			variables = data
 			stop_spin()
-			for datum in data
-				alert "#{datum['line']}=>#{datum['locals']}locals is Empty for now"
-			return
+			highlight_line data[0]['line']
 		error: ->
 			stop_spin()
 			return
@@ -82,7 +76,12 @@ IndexNumber = 0
 # Returns: none
 # Author: Rami Khalil
 @next = () ->
-	alert "Next Step"
+	if indexNumber + 1 < variables.length
+		jump_state ++indexNumber
+	else if(indexNumber == 99)
+		alert "The online debugger can only step forward 100 times."
+	else
+		alert "The program has terminated."
 
 # [Execute Line By Line - Story 3.8]
 # Moves to the previous state of execution.
@@ -91,7 +90,28 @@ IndexNumber = 0
 # Returns: none
 # Author: Rami Khalil
 @previous = () ->
-	alert "Previous Step"
+	if indexNumber > 0
+		jump_state --indexNumber
+	else
+		alert "This is the first step in the program."
+
+# [Execute Line By Line - Story 3.8]
+# Highlights the target line number in the editor
+# Parameters:
+#	line: The line number to highlight.
+# Returns: none
+# Author: Rami Khalil
+@highlight_line = (line) ->
+	alert "At line: " + line
+
+# [Execute Line By Line - Story 3.8]
+# Jumps to the target state by highlighting the line and showing variables
+# Parameters:
+#	stateNumber: The target state number.
+# Returns: none
+# Author: Rami Khalil
+@jump_state = (stateNumber) ->
+	highlight_line variables[stateNumber]['line']
 
 # [Debug - Story 3.6]
 # Stops the debugging session.
@@ -101,3 +121,5 @@ IndexNumber = 0
 # Author: Rami Khalil (Temporary)
 @stop = () ->
 	toggleDebug()
+	indexNumber = 0;
+	variables = null;
diff --git a/tutor/app/models/debugger.rb b/tutor/app/models/debugger.rb
index 062e21bf..bf48d059 100644
--- a/tutor/app/models/debugger.rb
+++ b/tutor/app/models/debugger.rb
@@ -15,7 +15,7 @@ class Debugger < ActiveRecord::Base
 	# 	regex : The input regex to be encountered to return
 	# Returns: A String of the buffer
 	# Author: Rami Khalil
-	def buffer_until regex
+	def buffer_until(regex)
 		buffer = ""
 		until !$wait_thread.alive? or regex.any? { |expression| buffer =~ expression } do
 			begin
@@ -53,7 +53,7 @@ def buffer_until_complete
 	# 	input : The input to be written in the sub stream
 	# Returns: none
 	# Author: Rami Khalil
-	def input input
+	def input(input)
 		$input.puts input
 	end
 
@@ -64,7 +64,7 @@ def input input
 	# 	file_path : The path of the file to debugged
 	# 	input : The arguments to be passed to the main method
 	# Returns: A List of all 100 steps ahead
-	# Author: Mussab ElDash
+	# Authors: Mussab ElDash + Rami Khalil
 	def start(file_path, input)
 		to_be_compiled = file_path
 		if file_path =~ /.*\.java/
diff --git a/tutor/app/models/solution.rb b/tutor/app/models/solution.rb
index 6529ea4a..6715c011 100644
--- a/tutor/app/models/solution.rb
+++ b/tutor/app/models/solution.rb
@@ -10,9 +10,61 @@ class Solution < ActiveRecord::Base
 	#Scoops
 
 	#Methods
+	# [
+	#	Compiler: Compile - Story 3.4
+	# 	Compiler: Validate - Story 3.5
+	# 	Debugger: Debug - Story 3.6
+	# 	Compiler: Test - Story 3.15
+	# ]
+	# Returns the file name associated with this solution code.
+	# Parameters:
+	# 	append_extension: A boolean value deciding whether the file extension should be appended.
+	# Returns: The solution's java file name
+	# Author: Rami Khalil
+	def file_name
+		return 'st' + student_id.to_s + 'pr' + problem_id.to_s + 'so' + id.to_s
+	end
+
+	# [
+	#	Compiler: Compile - Story 3.4
+	# 	Compiler: Validate - Story 3.5
+	# 	Debugger: Debug - Story 3.6
+	# 	Compiler: Test - Story 3.15
+	# ]
+	# Returns the java file name associated with this solution code.
+	# Parameters:
+	# 	append_extension: A boolean value deciding whether the file extension should be appended.
+	# Returns: The solution's java file name
+	# Author: Rami Khalil
+	def java_file_name(prepend_path = false, append_extension = false)
+		jfile_name = file_name
+		jfile_name += ".java" if append_extension
+		jfile_name = JAVA_PATH + jfile_name if prepend_path
+		return jfile_name
+	end
+
+	# [
+	#	Compiler: Compile - Story 3.4
+	# 	Compiler: Validate - Story 3.5
+	# 	Debugger: Debug - Story 3.6
+	# 	Compiler: Test - Story 3.15
+	# ]
+	# Returns the class file name associated with this solution code.
+	# Parameters:
+	# 	append_extension: A boolean value deciding whether the file extension should be appended.
+	# Returns: The solution's class file name
+	# Author: Rami Khalil
+	def class_file_name(prepend_path = false, append_extension = false)
+		jfile_name = file_name
+		jfile_name += ".class" if append_extension
+		jfile_name = CLASS_PATH + jfile_name if prepend_path
+		return jfile_name
+	end
 
 	#Constants
 	STATUS_SUBMITTED 	= 	0
 	STATUS_ACCEPTED		=	1
 
+	JAVA_PATH	=	'students_solutions/Java/'
+	CLASS_PATH	=	'students_solutions/Class/'
 end
diff --git a/tutor/app/views/layouts/application.html.erb b/tutor/app/views/layouts/application.html.erb
index 27cd9a3b..feee850c 100644
--- a/tutor/app/views/layouts/application.html.erb
+++ b/tutor/app/views/layouts/application.html.erb
@@ -50,7 +50,7 @@
 				<div class="row">
 					<%= render "layouts/right_side_bar"%>
 					<div class="well main-content">
-						<%= render "problems/system_recommendation" if student_signed_in?%>
+						<%= render "problems/system_recommendation" if student_signed_in? %>
 						<%= yield %>
 					</div>
 				</div>
diff --git a/tutor/db/seeds.rb b/tutor/db/seeds.rb
index a9b013c1..8eadba45 100644
--- a/tutor/db/seeds.rb
+++ b/tutor/db/seeds.rb
@@ -100,8 +100,8 @@
 	Solution.create(code:"println(My third solution)", length:5, status:3)
 
 puts("# -----------------------TrackProgression---------------------------")
-	TrackProgression.create(level: 2, student_id: 1, topic_id: 1) 
-	TrackProgression.create(level: 0, student_id: 1, topic_id: 2) 
+	TrackProgression.create(level: 0, student_id: 1, topic_id: 1)
+	TrackProgression.create(level: 2, student_id: 1, topic_id: 2)
 	
 puts("# -----------------------Attempts---------------------------")
 	Attempt.create(success: true)