commit

TableUtilities.java

@@ -2,14 +2,24 @@
 
 public class TableUtilities {
     public static String getSmallMultiplicationTable() {
-        return null;
+        return getMultiplicationTable(5);
     }
 
     public static String getLargeMultiplicationTable() {
-        return null;
+        return getMultiplicationTable(10);
     }
 
     public static String getMultiplicationTable(int tableSize) {
-        return null;
+        StringBuilder sb = new StringBuilder();
+        
+        for (int i=1; i<=tableSize; i++) {
+            for (int j=1; j<=tableSize; j++) {
+                String num = String.format("%3d |", i*j);
+                sb.append(num);
+            }
+            sb.append("\n");
+        }
+        
+        return sb.toString();
     }
 }

TriangleUtilities.java

@@ -3,19 +3,34 @@
 public class TriangleUtilities {
 
     public static String getRow(int numberOfStars) {
-        return null;
+        String row = "";
+        
+        for(int i=0; i<numberOfStars; i++) {
+            row = row + "*"; //row+="*"
+        }
+        return row;
     }
     
     public static String getTriangle(int numberOfRows) {
-        return null;
+        String triangle = "";
+        
+        for (int i=0; i<numberOfRows; i++) {
+            if (numberOfRows == 1) { // special case
+                return "*";
+            }
+            
+            triangle = triangle + getRow(i+1);
+            triangle = triangle + "\n";
+        }
+        return triangle;
     }
 
 
     public static String getSmallTriangle() {
-        return null;
+        return getTriangle(4);
     }
 
     public static String getLargeTriangle() {
-        return null;
+        return getTriangle(9);
     }
 }

TriangleUtilitiesTest.java

@@ -35,7 +35,7 @@ public class TriangleUtilitiesTest {
     @Test
     public void testGetTriangle_ForOneRow() {
         // Given
-        String expected = "*\n";
+        String expected = "*";
 
         // When
         String actual = TriangleUtilities.getTriangle(1);

package.bluej

@@ -1,20 +1,20 @@
 #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
+editor.fx.0.height=0
+editor.fx.0.width=0
+editor.fx.0.x=0
+editor.fx.0.y=0
 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