Program Works

NumberUtilities.java

@@ -4,29 +4,75 @@
 public class NumberUtilities {
 
     public static String getRange(int stop) {
-        return null;
+        String result = ""; 
+
+        for (int x = 0; x < stop; x++){
+            result = result + Integer.toString(x);
+        }
+        return result;
     }
 
     public static String getRange(int start, int stop) {
-        return null;
+       String result = "";
+
+        for (int x = start; x < stop; x++){
+            result = result + Integer.toString(x);
+       }
+        return result;
     }
 
-
     public static String getRange(int start, int stop, int step) {
-        return null;
+       String result = "";
+
+        for (int x = start; x < stop; x++){
+
+            if( x % step == 0 ){
+                result = result + Integer.toString(x);
+            }
+       }
+        return result;
     }
 
     public static String getEvenNumbers(int start, int stop) {
-        return null;
+       String result = "";
+
+        for (int x = start; x < stop; x++){
+
+            if( x % 2 == 0 ){
+                result = result + Integer.toString(x);
+            }
+       }
+        return result; 
     }
 
 
     public static String getOddNumbers(int start, int stop) {
-        return null;
+        String result = "";
+
+        for (int x = start; x < stop; x++){
+
+            if( x % 2 != 0 ){
+                result = result + Integer.toString(x);
+            }
+       }
+        return result;
     }
 
 
     public static String getExponentiations(int start, int stop, int exponent) {
-        return null;
+         String result = "";
+         int num = 0;
+
+        for (int x = start; x <= stop; x++){
+
+            num = x;
+
+            for(int y = 1; y < exponent; y++){
+                num = num * x ;
+            }
+
+           result = result + Integer.toString(num);
+       }
+        return result;
     }
 }

TableUtilities.java

@@ -1,15 +1,27 @@
 
 
 public class TableUtilities {
-    public static String getSmallMultiplicationTable() {
-        return null;
+    public static String getSmallMultiplicationTable() {  
+        return getMultiplicationTable(5);
     }
 
     public static String getLargeMultiplicationTable() {
-        return null;
+        return getMultiplicationTable(10);
     }
 
     public static String getMultiplicationTable(int tableSize) {
-        return null;
+        String result = ""; 
+        int num;
+
+        for( int row = 1; row <= tableSize; row++){
+            for( int times = 1; times <= tableSize; times++){ 
+                    num = row * times;
+                    result+= String.format("%3d", num) + " |";
+
+        }
+            result = result + "\n";
+        }
+
+        return result;   
     }
 }

TriangleUtilities.java

@@ -1,21 +1,32 @@
 
-
 public class TriangleUtilities {
 
     public static String getRow(int numberOfStars) {
-        return null;
+        String result = "";
+
+        for (int x = 0; x < numberOfStars; x++){
+            result = result + "*";
+        }
+        return result;
     }
 
     public static String getTriangle(int numberOfRows) {
-        return null;
+        String result = "";
+
+        for (int row = 1; row < numberOfRows + 1 ; row++){
+            for(int stars = 0; stars < row; stars++){
+            result = result + "*"; 
+             }
+             result = result + "\n";
+        }
+        return result;
     }
 
-
     public static String getSmallTriangle() {
-        return null;
+        return getTriangle(4);
     }
 
     public static String getLargeTriangle() {
-        return null;
+        return getTriangle(9);
     }
 }

package.bluej

@@ -1,27 +1,27 @@
 #BlueJ package file
-dependency1.from=NumberUtilitiesTest
-dependency1.to=NumberUtilities
+dependency1.from=TriangleUtilitiesTest
+dependency1.to=TriangleUtilities
 dependency1.type=UsesDependency
-dependency2.from=TriangleUtilitiesTest
-dependency2.to=TriangleUtilities
+dependency2.from=TableUtilitiesTest
+dependency2.to=TableUtilities
 dependency2.type=UsesDependency
-dependency3.from=TableUtilitiesTest
-dependency3.to=TableUtilities
+dependency3.from=NumberUtilitiesTest
+dependency3.to=NumberUtilities
 dependency3.type=UsesDependency
-editor.fx.0.height=722
-editor.fx.0.width=800
-editor.fx.0.x=537
-editor.fx.0.y=28
-objectbench.height=164
-objectbench.width=484
+editor.fx.0.height=1016
+editor.fx.0.width=1267
+editor.fx.0.x=198
+editor.fx.0.y=-1041
+objectbench.height=154
+objectbench.width=435
 package.divider.horizontal=0.6
-package.divider.vertical=0.7560627674750356
-package.editor.height=523
-package.editor.width=382
-package.editor.x=20
-package.editor.y=57
-package.frame.height=759
-package.frame.width=508
+package.divider.vertical=0.825
+package.editor.height=752
+package.editor.width=341
+package.editor.x=0
+package.editor.y=0
+package.frame.height=978
+package.frame.width=459
 package.numDependencies=3
 package.numTargets=6
 package.showExtends=true