Completed methods

NumberUtilities.java

@@ -1,32 +1,72 @@
- 
 
 
 public class NumberUtilities {
-    
+
     public static String getRange(int start) {
-        return null;
+        StringBuilder builder = new StringBuilder();
+        for(int i=0; i < start; i++){
+            builder.append(Integer.toString(i));
+        }
+
+        String result = builder.toString();
+        return result;
     }
-    
+
     public static String getRange(int start, int stop) {
-        return null;
-    }
+        StringBuilder builder = new StringBuilder();
+        for(int i=start; i<stop; i++){
+            builder.append(Integer.toString(i));
+        }
 
+        String result = builder.toString();
+        return result;
+    }
 
     public static String getRange(int start, int stop, int step) {
-        return null;
+        StringBuilder builder = new StringBuilder();
+        for(int i=start; i<stop; i+=step){
+            builder.append(Integer.toString(i));
+        }
+
+        String result = builder.toString();
+        return result;
     }
-    
+
     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(Integer.toString(i));
+            }
+        }
+        String result = builder.toString();
+        return result;
     }
 
-
     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(Integer.toString(i));
+            }
+        }
+        String result = builder.toString();
+        return result;
     }
 
-
     public static String getExponentiations(int start, int stop, int exponent) {
-        return null;
+        StringBuilder builder = new StringBuilder();
+        for(int i=start; i<=stop; i++){
+            int powerNum = 1;
+            for (int j=1; j<=exponent;j++){
+                powerNum *= i;
+            }
+            
+            builder.append(Integer.toString(powerNum));
+        }
+        
+        String result = builder.toString();
+        return result;
+        //NOTE: instructions say to not include stop. test expected result shows that the method's for loop INCLUDES stop. Thus expected = "....49".    
     }
 }

NumberUtilitiesTest.java

@@ -170,6 +170,8 @@ public class NumberUtilitiesTest {
     public void testGetExponentiationNumbersForSquare() {
         // : Given
         String expected = "4916253649";
+        //NOTE: instructions say to not include stop. test expected shows that the method's for loop INCLUDES stop. Thus expected = "....49".
+        
         int start = 2;
         int stop = 7;
         int exponent = 2;

TableUtilities.java

@@ -1,15 +1,74 @@
- 
 
 public class TableUtilities {
     public static String getSmallMultiplicationTable() {
-        return null;
+        StringBuilder builder = new StringBuilder();
+
+        for(int i=1; i<=5; i++){
+            for (int j=1; j<=5; j++){
+                int sum = i;
+                sum*=j;
+                /*if(Integer.toString(sum).length()==1){
+                builder.append("  " + Integer.toString(sum) + " |");
+                } else if (Integer.toString(sum).length()==2){
+                    builder.append(" " + Integer.toString(sum) + " |");
+                } else if (Integer.toString(sum).length()==3){
+                    builder.append(Integer.toString(sum) + " |");
+                }*/
+                
+                builder.append(String.format("%3s |", sum));
+            }
+            
+            builder.append("\n");
+        }
+        String result = builder.toString();
+        return result;
     }
 
     public static String getLargeMultiplicationTable() {
-        return null;
+        StringBuilder builder = new StringBuilder();
+
+        for(int i=1; i<=10; i++){
+            for (int j=1; j<=10; j++){
+                int sum = i;
+                sum*=j;
+                /*if(Integer.toString(sum).length()==1){
+                builder.append("  " + Integer.toString(sum) + " |");
+                } else if (Integer.toString(sum).length()==2){
+                    builder.append(" " + Integer.toString(sum) + " |");
+                } else if (Integer.toString(sum).length()==3){
+                    builder.append(Integer.toString(sum) + " |");
+                } */
+                
+               builder.append(String.format("%3s |", sum));
+            }
+            
+            builder.append("\n");
+        }
+        String result = builder.toString();
+        return result;
     }
 
     public static String getMultiplicationTable(int tableSize) {
-        return null;
+        StringBuilder builder = new StringBuilder();
+
+        for(int i=1; i<=tableSize; i++){
+            for (int j=1; j<=tableSize; j++){
+                int sum = i;
+                sum*=j;
+                /*if(Integer.toString(sum).length()==1){
+                builder.append("  " + Integer.toString(sum) + " |");
+                } else if (Integer.toString(sum).length()==2){
+                    builder.append(" " + Integer.toString(sum) + " |");
+                } else if (Integer.toString(sum).length()==3){
+                    builder.append(Integer.toString(sum) + " |");
+                } */
+                
+                builder.append(String.format("%3s |", sum));
+            }
+            
+            builder.append("\n");
+        }
+        String result = builder.toString();
+        return result;
     }
 }

TriangleUtilities.java

@@ -3,19 +3,56 @@
 public class TriangleUtilities {
 
     public static String getRow(int numberOfStars) {
-        return null;
+        StringBuilder builder = new StringBuilder();
+        
+        for(int i = 1; i <= numberOfStars; i++){
+            builder.append("*");
+        }
+        
+        String result = builder.toString();
+        return result;
     }
     
     public static String getTriangle(int numberOfRows) {
-        return null;
+        StringBuilder builder = new StringBuilder();
+        
+        for(int i = 1; i <= numberOfRows; i++){
+            for(int j=1; j<=i; j++){
+                builder.append("*");
+            }
+            
+            builder.append("\n");
+        }
+        String result = builder.toString();
+        return result;
     }
 
 
     public static String getSmallTriangle() {
-        return null;
+        StringBuilder builder = new StringBuilder();
+        
+        for(int i = 1; i <= 4; i++){
+            for(int j=1; j<=i; j++){
+                builder.append("*");
+            }
+            
+            builder.append("\n");
+        }
+        String result = builder.toString();
+        return result;
     }
 
     public static String getLargeTriangle() {
-        return null;
+        StringBuilder builder = new StringBuilder();
+        
+        for(int i = 1; i < 10; i++){
+            for(int j=1; j<=i; j++){
+                builder.append("*");
+            }
+            
+            builder.append("\n");
+        }
+        String result = builder.toString();
+        return result;
     }
 }

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.height=716
 editor.fx.0.width=800
-editor.fx.0.x=537
-editor.fx.0.y=28
-objectbench.height=164
-objectbench.width=484
+editor.fx.0.x=240
+editor.fx.0.y=23
+objectbench.height=114
+objectbench.width=1256
 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=0.8155487804878049
+package.editor.height=528
+package.editor.width=1154
+package.editor.x=0
+package.editor.y=23
+package.frame.height=714
+package.frame.width=1280
 package.numDependencies=3
 package.numTargets=6
 package.showExtends=true