NumberUtilities.java

- 
-
 
 public class NumberUtilities {
-    
     public static String getRange(int start) {
-        return null;
+        StringBuilder range = new StringBuilder();
+        for (int i = 0; i < start; i++) {
+            range.append(i);
+        }
+
+        return range.toString();
+
     }
-    
+
     public static String getRange(int start, int stop) {
-        return null;
-    }
+        StringBuilder range = new StringBuilder();
+        for (int i = start; i < stop; i++) {
+            range.append(i);
+        }
 
+        return range.toString();
+    }
 
     public static String getRange(int start, int stop, int step) {
-        return null;
+        StringBuilder range = new StringBuilder();
+        for (int i = start; i < stop; i += step) {
+            range.append(i);
+        }
+
+        return range.toString();
     }
-    
+
     public static String getEvenNumbers(int start, int stop) {
-        return null;
-    }
+        StringBuilder range = new StringBuilder();
+        if (start % 2 == 0) {
+            for (int i = start; i < stop; i += 2) {
+                range.append(i);
+            }
+        } else {
+            for (int i = start + 1; i < stop; i +=2) {
+                range.append(i);
+            }
+        }
 
+        
+        return range.toString();
+    }
 
     public static String getOddNumbers(int start, int stop) {
-        return null;
-    }
+        StringBuilder range = new StringBuilder();
+        if (start % 2 != 0) {
+            for (int i = start; i < stop; i += 2) {
+                range.append(i);
+            }
+        } else {
+            for (int i = start + 1; i < stop; i +=2) {
+                range.append(i);
+            }
+        }
 
+        
+        return range.toString();
+        
+    }
 
     public static String getExponentiations(int start, int stop, int exponent) {
-        return null;
+        StringBuilder range = new StringBuilder();
+        for (int i = start; i <= stop; i++) {
+            Math.pow(start, exponent);
+            range.append(i);
+        }
+
+        return range.toString();
     }
 }

TriangleUtilities.java

- 
 
 public class TriangleUtilities {
-
     public static String getRow(int numberOfStars) {
-        return null;
+        StringBuilder row = new StringBuilder();
+        String star = "*";
+        for (int i = 0; i < numberOfStars; i++) {
+            row.append(star);
+
+        }
+        return row.toString();
     }
-    
+
     public static String getTriangle(int numberOfRows) {
-        return null;
+        StringBuilder row = new StringBuilder();
+        String star = "*\n";
+        for (int i = 0; i < numberOfRows; i++) {
+            row.append(star);
+        }
+        return row.toString();
     }
 
-
     public static String getSmallTriangle() {
         return null;
+
     }
 
     public static String getLargeTriangle() {

package.bluej

 #BlueJ package file
-dependency1.from=NumberUtilitiesTest
-dependency1.to=NumberUtilities
+dependency1.from=TableUtilitiesTest
+dependency1.to=TableUtilities
 dependency1.type=UsesDependency
 dependency2.from=TriangleUtilitiesTest
 dependency2.to=TriangleUtilities
 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
+editor.fx.0.height=0
+editor.fx.0.width=0
+editor.fx.0.x=0
+editor.fx.0.y=0
+objectbench.height=156
 objectbench.width=484
 package.divider.horizontal=0.6
-package.divider.vertical=0.7560627674750356
-package.editor.height=523
+package.divider.vertical=0.7552552552552553
+package.editor.height=496
 package.editor.width=382
-package.editor.x=20
-package.editor.y=57
-package.frame.height=759
+package.editor.x=30
+package.editor.y=23
+package.frame.height=724
 package.frame.width=508
 package.numDependencies=3
 package.numTargets=6
 target2.name=TriangleUtilitiesTest
 target2.showInterface=false
 target2.type=UnitTestTargetJunit4
-target2.width=120
+target2.width=130
 target2.x=100
 target2.y=160
 target3.association=TableUtilitiesTest
 target4.name=NumberUtilities
 target4.showInterface=false
 target4.type=ClassTarget
-target4.width=120
+target4.width=130
 target4.x=80
 target4.y=70
 target5.height=50
 target5.name=NumberUtilitiesTest
 target5.showInterface=false
 target5.type=UnitTestTargetJunit4
-target5.width=120
+target5.width=130
 target5.x=110
 target5.y=40
 target6.association=TriangleUtilitiesTest
 target6.name=TriangleUtilities
 target6.showInterface=false
 target6.type=ClassTarget
-target6.width=120
+target6.width=130
 target6.x=70
 target6.y=190