I finished the assignment

NumberUtilities.java

@@ -3,30 +3,60 @@
 
 public class NumberUtilities {
     
-    public static String getRange(int start) {
-        return null;
+    public static String getRange(int stop) {
+           String result = "";
+        for ( int i = 0; i < stop; i++){
+                result+=i;
+        }
+        return result;
+        
+  
     }
     
     public static String getRange(int start, int stop) {
-        return null;
+       String result="";
+       for (int i = start; i< stop; i++){
+           result = result+i;
+           
+        }
+        return result;
     }
 
 
     public static String getRange(int start, int stop, int step) {
-        return null;
+      String placeNumber = "";
+      for (int i = start; i<stop; i = i + step){
+          placeNumber= placeNumber + i;
+        }
+        return placeNumber;
     }
     
     public static String getEvenNumbers(int start, int stop) {
-        return null;
-    }
-
+        String resultsProvided = "";
+        for (int i = start; i <stop; i++) {
+    
+         if (i % 2 == 0) {
+            resultsProvided = resultsProvided +i;
+        }
+    } 
+       return resultsProvided;
+        }
 
     public static String getOddNumbers(int start, int stop) {
-        return null;
+        String oddNumberReturned = "";
+        for(int i = start; i < stop; i++) {
+          if(i % 2 != 0){
+            oddNumberReturned = oddNumberReturned + i;
     }
-
-
-    public static String getExponentiations(int start, int stop, int exponent) {
-        return null;
+       }
+            return oddNumberReturned;
+        }
+    
+    public static String getExponentiations(int start, int stop,int exponent) {
+      String results = "";
+      for (int i = start; i <= stop; i++){
+            results = results + (int)Math.pow(i,exponent);
     }
+    return results;
 }
+}

TableUtilities.java

@@ -1,15 +1,36 @@
- 
 
 public class TableUtilities {
     public static String getSmallMultiplicationTable() {
-        return null;
+        StringBuilder stuff = new StringBuilder();
+        for(int i = 1; i<= 5 ; i++) {
+            for(int j =1; j<=5; j++) {
+                stuff.append(String.format("%3d |", j*i));
+            }
+            stuff.append("\n");
+        }
+        return stuff.toString();
     }
 
     public static String getLargeMultiplicationTable() {
-        return null;
+        StringBuilder word = new StringBuilder();
+        for(int i = 1; i<=10; i++){
+            for(int j = 1; j<=10;j++){ 
+                word.append(String.format("%3d |", i*j));
+            }
+            word.append("\n");
+        }
+        return word.toString();
     }
 
     public static String getMultiplicationTable(int tableSize) {
-        return null;
+        StringBuilder stuff = new StringBuilder();
+        for (int i = 1; i<=tableSize; i++) {
+            for (int j=1; j<=tableSize; j++) {
+                stuff.append(String.format("%3d |", i*j));
+                
+            }
+            stuff.append("\n");
+        }
+        return stuff.toString();
     }
 }

TriangleUtilities.java

@@ -3,19 +3,44 @@
 public class TriangleUtilities {
 
     public static String getRow(int numberOfStars) {
-        return null;
+        String output = "";
+        for(int i=0; i < numberOfStars; i++) {
+            output = output + "*";
     }
-    
+            return output;
+       }
+ 
     public static String getTriangle(int numberOfRows) {
-        return null;
+        String results = "";
+        for(int i=0; i< numberOfRows; i++) {
+         for(int j=0; j<=i; j++) {
+             results = results + "*";
+            } 
+            results = results + "\n";
+        } 
+        return results;
     }
 
 
     public static String getSmallTriangle() {
-        return null;
+        String results = "";
+        for (int i=0; i<4; i++) {
+        for (int j=0; j<=i; j++){
+            results = results + "*";
+        }
+        results = results +"\n";
+    }
+        return results;
     }
 
     public static String getLargeTriangle() {
-        return null;
+         String results = "";
+        for (int i=0; i<9; i++) {
+        for (int j=0; j<=i; j++){
+            results = results + "*";
+        }
+        results = results +"\n";
+    }
+        return results;
     }
 }

package.bluej

@@ -1,17 +1,17 @@
 #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.x=320
+editor.fx.0.y=53
 objectbench.height=164
 objectbench.width=484
 package.divider.horizontal=0.6