Raymond Fitzgerald

NumberUtilities.java

@@ -4,29 +4,58 @@
 public class NumberUtilities {
 
     public static String getRange(int stop) {
-        return null;
+       String rangeString = "";
+       for (int i = 0; i < stop; i++){
+           rangeString += i;
+        }
+        return rangeString;
     }
 
     public static String getRange(int start, int stop) {
-        return null;
+        String rangeString = "";
+       for (int i = start; i < stop; i++){
+           rangeString += i;
+        }
+        return rangeString;
     }
 
 
     public static String getRange(int start, int stop, int step) {
-        return null;
+        String rangeString = "";
+       for (int i = start; i < stop; i+=step){
+           rangeString += i;
+        }
+        return rangeString;
     }
 
     public static String getEvenNumbers(int start, int stop) {
-        return null;
+        String evenNumbers = "";
+        for (int i = start; i < stop; i++){
+            if (i % 2 == 0){
+                evenNumbers +=i;
+            }
+        }
+        return evenNumbers;
     }
 
 
     public static String getOddNumbers(int start, int stop) {
-        return null;
+          String oddNumbers = "";
+        for (int i = start; i < stop; i++){
+            if (i % 2 == 1){
+                oddNumbers +=i;
+            }
+        }
+        return oddNumbers;
     }
 
 
     public static String getExponentiations(int start, int stop, int exponent) {
-        return null;
+        String exNumbers = "";
+        for (int i = start; i <= stop; i++){
+           exNumbers += (int)Math.pow(i,exponent);
+          }
+
+        return exNumbers;
     }
 }

TableUtilities.java

@@ -2,14 +2,29 @@
 
 public class TableUtilities {
     public static String getSmallMultiplicationTable() {
-        return null;
-    }
+        String multTable = "";
+        for (int i = 1; i <=5; i++){
+             for (int j = 1; j <= 5; j++){
+                multTable += String.format("%3d |", i*j);
+    } multTable += "\n";
+}return multTable;
+}
 
     public static String getLargeMultiplicationTable() {
-        return null;
+        String multTable = "";
+        for (int i = 1; i <=10; i++){
+             for (int j = 1; j <= 10; j++){
+                multTable += String.format("%3d |", i*j);
+    } multTable += "\n";
+}return multTable;
     }
 
     public static String getMultiplicationTable(int tableSize) {
-        return null;
+        String multTable = "";
+        for (int i = 1; i <=tableSize; i++){
+             for (int j = 1; j <= tableSize; j++){
+                multTable += String.format("%3d |", i*j);
+    } multTable += "\n";
+}return multTable;
     }
 }

TriangleUtilities.java

@@ -3,19 +3,45 @@
 public class TriangleUtilities {
 
     public static String getRow(int numberOfStars) {
-        return null;
-    }
-
+       String rowYaBoat = "";
+        for(int i = 0; i < numberOfStars; i++){
+            rowYaBoat += "*";
+        }
+    return rowYaBoat;
+}
+
     public static String getTriangle(int numberOfRows) {
-        return null;
+         String rowYaBoat = "";
+        for(int i = 0; i < numberOfRows; i++){
+            for (int j = 0; j <= i; j++){
+            rowYaBoat += "*";    
+  }
+  rowYaBoat += "\n";
+}
+ return rowYaBoat;
+
     }
 
 
     public static String getSmallTriangle() {
-        return null;
+        String rowYaBoat = "";
+        for(int i = 0; i < 4; i++){
+            for (int j = 0; j <= i; j++){
+            rowYaBoat += "*";    
+  }
+  rowYaBoat += "\n";
+}
+ return rowYaBoat;
     }
 
     public static String getLargeTriangle() {
-        return null;
+       String rowYaBoat = "";
+        for(int i = 0; i < 9; i++){
+            for (int j = 0; j <= i; j++){
+            rowYaBoat += "*";    
+  }
+  rowYaBoat += "\n";
+}
+ return rowYaBoat;
     }
 }