diff --git a/chart_inheritance/pom.xml b/chart_inheritance/pom.xml
index 7eda3536d9f0c99a60165aef68ebbe18dcf93246..22104baf2c58c85a0023cc00f2602a2742702028 100644
--- a/chart_inheritance/pom.xml
+++ b/chart_inheritance/pom.xml
@@ -1,7 +1,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
   <modelVersion>4.0.0</modelVersion>
-  <groupId>edu.unl.cse.soft160.chart_inheritance</groupId>
+  <groupId>edu.unl.cse.soft161.chart_inheritance</groupId>
   <artifactId>chart_inheritance</artifactId>
   <packaging>jar</packaging>
   <version>1.0-SNAPSHOT</version>
diff --git a/chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/App.java b/chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/App.java
similarity index 76%
rename from chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/App.java
rename to chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/App.java
index 0f4d2e3ceadf0eed3bd42178e0b0d0bfd6764439..a727c66d225f7cb54936dd4e3b0003350b64140d 100644
--- a/chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/App.java
+++ b/chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/App.java
@@ -1,4 +1,4 @@
-package edu.unl.cse.soft160.chart_inheritance;
+package edu.unl.cse.soft161.chart_inheritance;
 
 import java.awt.Color;
 import java.awt.Font;
@@ -16,12 +16,12 @@ import javax.swing.JFrame;
  * choose one type of chart to display; that chart will be populated with sample
  * data.
  *
- * @see edu.unl.cse.soft160.chart_inheritance.a.BarChart
- * @see edu.unl.cse.soft160.chart_inheritance.a.LineChart
- * @see edu.unl.cse.soft160.chart_inheritance.b.BarChart
- * @see edu.unl.cse.soft160.chart_inheritance.b.CategoryChart
- * @see edu.unl.cse.soft160.chart_inheritance.c.RadarChart
- * @see edu.unl.cse.soft160.chart_inheritance.c.ScatterChart
+ * @see edu.unl.cse.soft161.chart_inheritance.a.BarChart
+ * @see edu.unl.cse.soft161.chart_inheritance.a.LineChart
+ * @see edu.unl.cse.soft161.chart_inheritance.b.BarChart
+ * @see edu.unl.cse.soft161.chart_inheritance.b.CategoryChart
+ * @see edu.unl.cse.soft161.chart_inheritance.c.RadarChart
+ * @see edu.unl.cse.soft161.chart_inheritance.c.ScatterChart
  */
 public class App extends JFrame {
 	private static final long serialVersionUID = -7456297737056197824L;
@@ -68,12 +68,12 @@ public class App extends JFrame {
 		PolarPoint[] polarData = { new PolarPoint(1.3, 7), new PolarPoint(2.2, 9), new PolarPoint(3.5, 4),
 				new PolarPoint(4.9, 6) };
 
-		Object[] charts = { new edu.unl.cse.soft160.chart_inheritance.a.BarChart(data),
-				new edu.unl.cse.soft160.chart_inheritance.a.LineChart(data),
-				new edu.unl.cse.soft160.chart_inheritance.b.BarChart(data),
-				new edu.unl.cse.soft160.chart_inheritance.b.CategoryChart(labels, data),
-				new edu.unl.cse.soft160.chart_inheritance.c.RadarChart(polarData),
-				new edu.unl.cse.soft160.chart_inheritance.c.ScatterChart(cartesianData), };
+		Object[] charts = { new edu.unl.cse.soft161.chart_inheritance.a.BarChart(data),
+				new edu.unl.cse.soft161.chart_inheritance.a.LineChart(data),
+				new edu.unl.cse.soft161.chart_inheritance.b.BarChart(data),
+				new edu.unl.cse.soft161.chart_inheritance.b.CategoryChart(labels, data),
+				new edu.unl.cse.soft161.chart_inheritance.c.RadarChart(polarData),
+				new edu.unl.cse.soft161.chart_inheritance.c.ScatterChart(cartesianData), };
 
 		System.out.println("Choose a chart type:");
 		for (int i = 0; i < charts.length; ++i) {
diff --git a/chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/CartesianPoint.java b/chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/CartesianPoint.java
similarity index 87%
rename from chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/CartesianPoint.java
rename to chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/CartesianPoint.java
index 507d68e6560542251747d30024ca912ab415c0ad..228ccc2be8eaa5978db0758bc88750d9722d22b6 100644
--- a/chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/CartesianPoint.java
+++ b/chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/CartesianPoint.java
@@ -1,4 +1,4 @@
-package edu.unl.cse.soft160.chart_inheritance;
+package edu.unl.cse.soft161.chart_inheritance;
 
 /**
  * This class represents a point in Cartesian coordinates. It would likely be
diff --git a/chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/ChartCanvas.java b/chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/ChartCanvas.java
similarity index 97%
rename from chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/ChartCanvas.java
rename to chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/ChartCanvas.java
index 0a69455801dc2697e50c8a9988ff20be3809f629..c952ad480f8ad285a8b79669969d16267eb0262f 100644
--- a/chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/ChartCanvas.java
+++ b/chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/ChartCanvas.java
@@ -1,4 +1,4 @@
-package edu.unl.cse.soft160.chart_inheritance;
+package edu.unl.cse.soft161.chart_inheritance;
 
 import java.awt.Graphics2D;
 import java.awt.Rectangle;
diff --git a/chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/PackageADemo.java b/chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/PackageADemo.java
similarity index 64%
rename from chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/PackageADemo.java
rename to chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/PackageADemo.java
index ba48d27d00812467abd3e58cbaae77dc6b232c95..9be12398e58483410e83285a4575083709303649 100644
--- a/chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/PackageADemo.java
+++ b/chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/PackageADemo.java
@@ -1,16 +1,16 @@
-package edu.unl.cse.soft160.chart_inheritance;
+package edu.unl.cse.soft161.chart_inheritance;
 
 import java.awt.Point;
 
-import edu.unl.cse.soft160.chart_inheritance.a.BarChart;
-import edu.unl.cse.soft160.chart_inheritance.a.LineChart;
+import edu.unl.cse.soft161.chart_inheritance.a.BarChart;
+import edu.unl.cse.soft161.chart_inheritance.a.LineChart;
 
 /**
  * This class, when run as the main class, uses sample data to display the two
  * charts in the <code>a</code> package.
  * 
- * @see edu.unl.cse.soft160.chart_inheritance.a.BarChart
- * @see edu.unl.cse.soft160.chart_inheritance.a.LineChart
+ * @see edu.unl.cse.soft161.chart_inheritance.a.BarChart
+ * @see edu.unl.cse.soft161.chart_inheritance.a.LineChart
  */
 public class PackageADemo {
 	public static void main(String... arguments) {
diff --git a/chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/PackageBDemo.java b/chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/PackageBDemo.java
similarity index 67%
rename from chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/PackageBDemo.java
rename to chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/PackageBDemo.java
index 05802fc27e5249ac4920a9317dc00b1ebdd268ec..946631160998915f2033d32406f797be2333d8b4 100644
--- a/chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/PackageBDemo.java
+++ b/chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/PackageBDemo.java
@@ -1,16 +1,16 @@
-package edu.unl.cse.soft160.chart_inheritance;
+package edu.unl.cse.soft161.chart_inheritance;
 
 import java.awt.Point;
 
-import edu.unl.cse.soft160.chart_inheritance.b.BarChart;
-import edu.unl.cse.soft160.chart_inheritance.b.CategoryChart;
+import edu.unl.cse.soft161.chart_inheritance.b.BarChart;
+import edu.unl.cse.soft161.chart_inheritance.b.CategoryChart;
 
 /**
  * This class, when run as the main class, uses sample data to display the two
  * charts in the <code>b</code> package.
  * 
- * @see edu.unl.cse.soft160.chart_inheritance.b.BarChart
- * @see edu.unl.cse.soft160.chart_inheritance.b.CategoryChart
+ * @see edu.unl.cse.soft161.chart_inheritance.b.BarChart
+ * @see edu.unl.cse.soft161.chart_inheritance.b.CategoryChart
  */
 public class PackageBDemo {
 	public static void main(String... arguments) {
diff --git a/chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/PackageCDemo.java b/chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/PackageCDemo.java
similarity index 72%
rename from chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/PackageCDemo.java
rename to chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/PackageCDemo.java
index a48f464b9bf2bf0d3303561ebd59d1b0f6a6026c..73ed89842b7273e107cb4eec1a552855ff5eedad 100644
--- a/chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/PackageCDemo.java
+++ b/chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/PackageCDemo.java
@@ -1,16 +1,16 @@
-package edu.unl.cse.soft160.chart_inheritance;
+package edu.unl.cse.soft161.chart_inheritance;
 
 import java.awt.Point;
 
-import edu.unl.cse.soft160.chart_inheritance.c.RadarChart;
-import edu.unl.cse.soft160.chart_inheritance.c.ScatterChart;
+import edu.unl.cse.soft161.chart_inheritance.c.RadarChart;
+import edu.unl.cse.soft161.chart_inheritance.c.ScatterChart;
 
 /**
  * This class, when run as the main class, uses sample data to display the two
  * charts in the <code>c</code> package.
  * 
- * @see edu.unl.cse.soft160.chart_inheritance.c.RadarChart
- * @see edu.unl.cse.soft160.chart_inheritance.c.ScatterChart
+ * @see edu.unl.cse.soft161.chart_inheritance.c.RadarChart
+ * @see edu.unl.cse.soft161.chart_inheritance.c.ScatterChart
  */
 public class PackageCDemo {
 	public static void main(String... arguments) {
diff --git a/chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/PolarPoint.java b/chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/PolarPoint.java
similarity index 82%
rename from chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/PolarPoint.java
rename to chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/PolarPoint.java
index 6398f19d795d93d44b719389c067bc9b2d9bde98..8d9fa67664136b9efbf23bdb7cd55e16d52a8420 100644
--- a/chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/PolarPoint.java
+++ b/chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/PolarPoint.java
@@ -1,4 +1,4 @@
-package edu.unl.cse.soft160.chart_inheritance;
+package edu.unl.cse.soft161.chart_inheritance;
 
 /**
  * This class represents a point in polar coordinates.
diff --git a/chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/b/BarChart.java b/chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/a/BarChart.java
similarity index 94%
rename from chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/b/BarChart.java
rename to chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/a/BarChart.java
index a2f67a9c67e8ea8769a9a1ce3aa800cd16bfb939..88815669c482ec4a5a4b6e47a1a06d74b71fc103 100644
--- a/chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/b/BarChart.java
+++ b/chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/a/BarChart.java
@@ -1,8 +1,8 @@
-package edu.unl.cse.soft160.chart_inheritance.b;
+package edu.unl.cse.soft161.chart_inheritance.a;
 
 import java.awt.Graphics2D;
 
-import edu.unl.cse.soft160.chart_inheritance.ChartCanvas;
+import edu.unl.cse.soft161.chart_inheritance.ChartCanvas;
 
 /**
  * This class is a bare-bones bar chart, providing just enough functionality to
diff --git a/chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/a/LineChart.java b/chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/a/LineChart.java
similarity index 94%
rename from chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/a/LineChart.java
rename to chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/a/LineChart.java
index 8e68c52a08fa5865c1af90ea5609e433db98a971..38be0be51317eb6c0c07ec2d4c58463d7691d5c6 100644
--- a/chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/a/LineChart.java
+++ b/chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/a/LineChart.java
@@ -1,8 +1,8 @@
-package edu.unl.cse.soft160.chart_inheritance.a;
+package edu.unl.cse.soft161.chart_inheritance.a;
 
 import java.awt.Graphics2D;
 
-import edu.unl.cse.soft160.chart_inheritance.ChartCanvas;
+import edu.unl.cse.soft161.chart_inheritance.ChartCanvas;
 
 /**
  * This class is a bare-bones line chart, providing just enough functionality to
diff --git a/chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/a/BarChart.java b/chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/b/BarChart.java
similarity index 94%
rename from chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/a/BarChart.java
rename to chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/b/BarChart.java
index 2f83c41a75fec9af8a081948fbca9995c19ae910..aa156497e82d73d23464f2d67a8ba09fc0d8a2ae 100644
--- a/chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/a/BarChart.java
+++ b/chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/b/BarChart.java
@@ -1,8 +1,8 @@
-package edu.unl.cse.soft160.chart_inheritance.a;
+package edu.unl.cse.soft161.chart_inheritance.b;
 
 import java.awt.Graphics2D;
 
-import edu.unl.cse.soft160.chart_inheritance.ChartCanvas;
+import edu.unl.cse.soft161.chart_inheritance.ChartCanvas;
 
 /**
  * This class is a bare-bones bar chart, providing just enough functionality to
diff --git a/chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/b/CategoryChart.java b/chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/b/CategoryChart.java
similarity index 95%
rename from chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/b/CategoryChart.java
rename to chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/b/CategoryChart.java
index 51de75d01b53025cc0a5b4601dabdc2bb1f09945..0dae6f54ac44ad107dc92d838b3c09609ce8bb65 100644
--- a/chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/b/CategoryChart.java
+++ b/chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/b/CategoryChart.java
@@ -1,8 +1,8 @@
-package edu.unl.cse.soft160.chart_inheritance.b;
+package edu.unl.cse.soft161.chart_inheritance.b;
 
 import java.awt.Graphics2D;
 
-import edu.unl.cse.soft160.chart_inheritance.ChartCanvas;
+import edu.unl.cse.soft161.chart_inheritance.ChartCanvas;
 
 /**
  * This class is a bare-bones bar chart, providing just enough functionality to
diff --git a/chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/c/RadarChart.java b/chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/c/RadarChart.java
similarity index 91%
rename from chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/c/RadarChart.java
rename to chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/c/RadarChart.java
index 7206c9fd739bd62bfb998619ec87fdf700882384..5a85403d359ba1177794611258bb349a3b7aeaa2 100644
--- a/chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/c/RadarChart.java
+++ b/chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/c/RadarChart.java
@@ -1,9 +1,9 @@
-package edu.unl.cse.soft160.chart_inheritance.c;
+package edu.unl.cse.soft161.chart_inheritance.c;
 
 import java.awt.Graphics2D;
 
-import edu.unl.cse.soft160.chart_inheritance.ChartCanvas;
-import edu.unl.cse.soft160.chart_inheritance.PolarPoint;
+import edu.unl.cse.soft161.chart_inheritance.ChartCanvas;
+import edu.unl.cse.soft161.chart_inheritance.PolarPoint;
 
 /**
  * This class is a bare-bones radar (cobweb) chart, providing just enough
diff --git a/chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/c/ScatterChart.java b/chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/c/ScatterChart.java
similarity index 91%
rename from chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/c/ScatterChart.java
rename to chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/c/ScatterChart.java
index 780571df39282a5c6e5e6a8eb23ad32c7f913688..47e42ca5cdf367e06a01142060cc8d10efb659c8 100644
--- a/chart_inheritance/src/main/java/edu/unl/cse/soft160/chart_inheritance/c/ScatterChart.java
+++ b/chart_inheritance/src/main/java/edu/unl/cse/soft161/chart_inheritance/c/ScatterChart.java
@@ -1,9 +1,9 @@
-package edu.unl.cse.soft160.chart_inheritance.c;
+package edu.unl.cse.soft161.chart_inheritance.c;
 
 import java.awt.Graphics2D;
 
-import edu.unl.cse.soft160.chart_inheritance.CartesianPoint;
-import edu.unl.cse.soft160.chart_inheritance.ChartCanvas;
+import edu.unl.cse.soft161.chart_inheritance.CartesianPoint;
+import edu.unl.cse.soft161.chart_inheritance.ChartCanvas;
 
 /**
  * This class is a bare-bones scatter chart, providing just enough functionality