Completed File

NumberUtilities.java

@@ -1,32 +1,80 @@
- 
+import java.lang.Math; 
 
 
 public class NumberUtilities {
     
     public static String getRange(int start) {
-        return null;
+        String answer = "";
+        for(int i = 0; i < start; i++){
+            String myString = String.valueOf(i);
+            answer = answer.concat(myString);
+           
+        }
+        
+        return answer;
     }
     
     public static String getRange(int start, int stop) {
-        return null;
+        String answer = "";
+        for(int i = start; i < stop; i++){
+           String myString = String.valueOf(i);
+           answer = answer.concat(myString); 
+         
     }
+    
+    return answer;
+}
 
 
     public static String getRange(int start, int stop, int step) {
-        return null;
+        String answer = "";
+        
+        for(int i = start; i < stop; i += step){
+            String myString = String.valueOf(i);
+            answer = answer.concat(myString);
+        }
+        return answer;
     }
     
     public static String getEvenNumbers(int start, int stop) {
-        return null;
+        String answer = "";
+        
+        for(int i = start; i < stop; i++){
+            if(i%2 == 0){
+                String myString = String.valueOf(i);
+                answer = answer.concat(myString);
+            }
+        }
+        return answer;
     }
 
 
     public static String getOddNumbers(int start, int stop) {
-        return null;
+        String answer = "";
+        
+        for(int i = start; i < stop; i++){
+            if(i%2!= 0){
+                String myString = String.valueOf(i);
+                answer = answer.concat(myString);
+            }
+        }
+        return answer;
     }
 
 
     public static String getExponentiations(int start, int stop, int exponent) {
-        return null;
+        String answer = "";
+        
+        for(int i = start; i <= stop; i++){
+           int expo = (int) Math.pow(i, exponent);
+           String myString = String.valueOf(expo);
+           answer = answer.concat(myString);
+           
+           
+           
+       
+        
     }
+    return answer;
+}
 }

NumberUtilitiesTest.java

@@ -1,4 +1,4 @@
- 
+
 
 import org.junit.Assert;
 import org.junit.Test;
@@ -10,6 +10,9 @@ public class NumberUtilitiesTest {
         // : Given
         String expected = "012";
         int stop = 3;
+        
+       
+   
 
         // : When
         String actual = NumberUtilities.getRange(stop);

TableUtilities.java

@@ -2,14 +2,62 @@
 
 public class TableUtilities {
     public static String getSmallMultiplicationTable() {
-        return null;
+        String answer = "";
+        
+        
+       for(int i=1; i <= 5;i++){
+            for(int j=1; j <= 5; j++){
+                int multiply = i * j;
+                
+                
+                String myString = String.valueOf(multiply);
+                answer = answer.concat(String.format("%3s |", myString));
+                
+                
+            }
+            answer = answer.concat("\n");
+        }
+        System.out.println(answer);
+        return answer;
     }
 
     public static String getLargeMultiplicationTable() {
-        return null;
+        String answer = "";
+        
+        
+       for(int i=1; i <= 10;i++){
+            for(int j=1; j <= 10; j++){
+                int multiply = i * j;
+                
+                
+                String myString = String.valueOf(multiply);
+                answer = answer.concat(String.format("%3s |", myString));
+                
+                
+            }
+            answer = answer.concat("\n");
+        }
+        System.out.println(answer);
+        return answer;
     }
 
     public static String getMultiplicationTable(int tableSize) {
-        return null;
+        String answer = "";
+        
+        
+       for(int i=1; i <= tableSize;i++){
+            for(int j=1; j <= tableSize; j++){
+                int multiply = i * j;
+                
+                
+                String myString = String.valueOf(multiply);
+                answer = answer.concat(String.format("%3s |", myString));
+                
+                
+            }
+            answer = answer.concat("\n");
+        }
+        System.out.println(answer);
+        return answer;
     }
 }

TriangleUtilities.java

@@ -3,19 +3,50 @@
 public class TriangleUtilities {
 
     public static String getRow(int numberOfStars) {
-        return null;
+        String answer = "";
+        for(int i=0; i < numberOfStars; i++){
+            
+            answer = answer.concat("*");
+        
+        }
+        
+        return answer;
     }
     
     public static String getTriangle(int numberOfRows) {
-        return null;
+        String answer = "";
+        for(int i=0; i < numberOfRows;i++){
+            for(int j=0; j <= i; j++){
+                answer = answer.concat("*");
+            }
+            answer = answer.concat("\n");
+        }
+       
+        return answer;
     }
 
 
     public static String getSmallTriangle() {
-        return null;
+        String answer = "";
+        for(int i=0; i < 4;i++){
+            for(int j=0; j <= i; j++){
+                answer = answer.concat("*");
+            }
+            answer = answer.concat("\n");
+        }
+       
+        return answer;
     }
 
     public static String getLargeTriangle() {
-        return null;
+        String answer = "";
+        for(int i=0; i < 9;i++){
+            for(int j=0; j <= i; j++){
+                answer = answer.concat("*");
+            }
+            answer = answer.concat("\n");
+        }
+       
+        return answer;
     }
 }

TriangleUtilitiesTest.java

@@ -103,4 +103,10 @@ public class TriangleUtilitiesTest {
         String actual = TriangleUtilities.getSmallTriangle();
         Assert.assertEquals(expected, actual);
     }
+
+    @Test
+    public void test()
+    {
+    }
 }
+

package.bluej

@@ -1,26 +1,26 @@
 #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.from=NumberUtilitiesTest
+dependency2.to=NumberUtilities
 dependency2.type=UsesDependency
-dependency3.from=TableUtilitiesTest
-dependency3.to=TableUtilities
+dependency3.from=TriangleUtilitiesTest
+dependency3.to=TriangleUtilities
 dependency3.type=UsesDependency
-editor.fx.0.height=722
+editor.fx.0.height=709
 editor.fx.0.width=800
-editor.fx.0.x=537
-editor.fx.0.y=28
-objectbench.height=164
+editor.fx.0.x=768
+editor.fx.0.y=-997
+objectbench.height=152
 objectbench.width=484
 package.divider.horizontal=0.6
-package.divider.vertical=0.7560627674750356
-package.editor.height=523
+package.divider.vertical=0.7557603686635944
+package.editor.height=485
 package.editor.width=382
-package.editor.x=20
-package.editor.y=57
-package.frame.height=759
+package.editor.x=207
+package.editor.y=23
+package.frame.height=709
 package.frame.width=508
 package.numDependencies=3
 package.numTargets=6