Committing NumberTrianglesTablesi:

NumberUtilities.java

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

TableUtilities.java

- 
 
+import java.util.*;
 public class TableUtilities {
+
     public static String getSmallMultiplicationTable() {
-        return null;
+        StringBuilder build = new StringBuilder();
+
+        for(int i = 1;i <= 5;i++)
+        {
+            for(int j =1;j <= 5;j++)
+            {
+                int k  = i * j;
+                build.append(String.format("%3d |",k));
+
+            }
+            build.append("\n");
+        }
+        return build.toString();
     }
 
     public static String getLargeMultiplicationTable() {
-        return null;
+        StringBuilder build = new StringBuilder();
+
+        for(int i = 1;i <= 10;i++)
+        {
+            for(int j =1;j <= 10;j++)
+            {
+                int k  = i * j;
+                String x = String.format("%3d |",k);
+                build.append(x);
+
+            }
+            build.append("\n");
+        }
+        return build.toString();
     }
 
     public static String getMultiplicationTable(int tableSize) {
-        return null;
+        StringBuilder build = new StringBuilder();
+
+        for(int i = 1;i <= tableSize;i++)
+        {
+            for(int j =1;j <= tableSize;j++)
+            {
+                int k  = i * j;
+                String x = String.format("%3d |",k);
+                build.append(x);
+
+            }
+            build.append("\n");
+        }
+        return build.toString();
+
     }
 }

TriangleUtilities.java

- 
 
 public class TriangleUtilities {
-
-    public static String getRow(int numberOfStars) {
-        return null;
+    public static String getRow(int numberOfRows) {
+        StringBuilder built = new StringBuilder();
+        for(int i = 0; i <numberOfRows;i++)
+        {
+            built.append("*");
+        }
+        return built.toString();
     }
-    
+
     public static String getTriangle(int numberOfRows) {
-        return null;
+        StringBuilder builder = new StringBuilder();
+        for(int i =0;i < numberOfRows;i++)
+        {
+            String k = getRow(i+1);
+            builder.append(k + "\n");
+        }
+        return builder.toString();
+
     }
 
+    
 
     public static String getSmallTriangle() {
-        return null;
+        StringBuilder built = new StringBuilder();
+        for(int i = 1;i <= 4;i++)
+        {
+            String k = getRow(i);
+            built.append(k + "\n");
+        }
+        return built.toString();
+
     }
 
     public static String getLargeTriangle() {
-        return null;
+        StringBuilder built = new StringBuilder();
+        for(int i = 1;i <= 9;i++)
+        {
+            String k = getRow(i);
+            built.append(k + "\n");
+        }
+        return built.toString();
     }
 }

TriangleUtilitiesTest.java

         String actual = TriangleUtilities.getTriangle(3);
         
         // Then
+        System.out.println(actual);
         Assert.assertEquals(expected, actual);
     }
     

package.bluej

 dependency3.type=UsesDependency
 editor.fx.0.height=722
 editor.fx.0.width=800
-editor.fx.0.x=537
-editor.fx.0.y=28
+editor.fx.0.x=338
+editor.fx.0.y=23
 objectbench.height=164
-objectbench.width=484
-package.divider.horizontal=0.6
+objectbench.width=286
+package.divider.horizontal=0.6004098360655737
 package.divider.vertical=0.7560627674750356
 package.editor.height=523
 package.editor.width=382