Completed lab

NumberUtilities.java

@@ -2,31 +2,80 @@
 
 
 public class NumberUtilities {
+
+
 
     public static String getRange(int stop) {
-        return null;
-    }
+
+       String result = "";
+
+       for(int i = 0; i < stop ; i++)
+       {
+              result = 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 result = "";
+        for(int i =start ; i<stop ; i+=step)
+        {
+            result = result + i;
+
+        }
+        return result;
+
     }
 
     public static String getEvenNumbers(int start, int stop) {
-        return null;
+
+        String result = "";
+        for(int i = start ; i<stop ; i++)
+        {
+            if(i%2 == 0)
+            {
+                result = result + i;
+            }
+        }
+        return result;
     }
 
 
     public static String getOddNumbers(int start, int stop) {
-        return null;
+        String result = "";
+        for(int i = start ; i<stop ; i++)
+        {
+            if(i%2 == 1)
+            {
+                result = result + i;
+            }
+        }
+        return result;
     }
 
 
     public static String getExponentiations(int start, int stop, int exponent) {
-        return null;
+        String result = "";
+        for(int i = start ; i<= stop ; i++)
+        {
+            result += (int)Math.pow(i, exponent);
+
+        }
+        return result;
     }
 }

NumberUtilitiesTest.java

@@ -13,6 +13,7 @@ public void testGetRangeForSmallRange() {
 
         // : When
         String actual = NumberUtilities.getRange(stop);
+
 
         // : Then
         Assert.assertEquals(expected, actual);

README-TableUtilities.md

@@ -39,7 +39,7 @@
 ## `String getSmallMultiplicationTable()`
 * **Description**
     * Generate a `String` representation of a multiplication table whose dimensions are `4` by `4`
-	
+    
 ### Example 1
 * Sample Script
 
@@ -107,7 +107,7 @@
 * **Description**
     * Generate a `String` representation of a multiplication table whose dimensions are `9` by `9`
 
-	
+    
 ### Example
 * Sample Script
 
@@ -176,7 +176,7 @@
 * **Description**
     * Given one integer, `width`, generate a `String` representation of a multiplication table whose dimensions are `width` by `width`
 
-	
+    
 ### Example 1
 * Sample Script
 

README-TriangleUtilities.md

@@ -125,7 +125,7 @@
 * **Description**
     * Given one integer, `n`, generate a `String` representation of a triangle whose base height and width is equal to `n`.
 
-	
+    
 ### Example
 * Sample Script
 

README.md

@@ -1,26 +1,26 @@
-# Leon's Loopy Lab
-* Read each of the following `README` files and complete each of the asks.
-    * [README-NumberUtilities.md](./README-NumberUtilities.md)
-    * [README-TriangleUtilities.md](./README-TriangleUtilities.md)
-    * [README-TableUtilities.md](./README-TableUtilities.md)
-    
-
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+# Leon's Loopy Lab
+* Read each of the following `README` files and complete each of the asks.
+    * [README-NumberUtilities.md](./README-NumberUtilities.md)
+    * [README-TriangleUtilities.md](./README-TriangleUtilities.md)
+    * [README-TableUtilities.md](./README-TableUtilities.md)
+
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TableUtilities.java

@@ -2,14 +2,27 @@
 
 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;
+        String result = "";
+        for(int i = 1 ; i <= tableSize ; i++)
+        {
+            for(int j = 1; j<= tableSize; j++)
+            {
+                result = result + String.format("%3s",(i * j)) + "|";
+            }
+             result = result + "\n";
+        }
+
+        return result;
     }
+
 }

TableUtilitiesTest.java

@@ -82,6 +82,8 @@ public void testGetMultiplicationTable() {
                 " 19 | 38 | 57 | 76 | 95 |114 |133 |152 |171 |190 |209 |228 |247 |266 |285 |304 |323 |342 |361 |380 |\n" +
                 " 20 | 40 | 60 | 80 |100 |120 |140 |160 |180 |200 |220 |240 |260 |280 |300 |320 |340 |360 |380 |400 |\n";
         String actual = TableUtilities.getMultiplicationTable(20);
+        System.out.println(expected);
+        System.out.println(actual);
         Assert.assertEquals(expected, actual);
     }
 

TriangleUtilities.java

@@ -3,19 +3,32 @@
 public class TriangleUtilities {
 
     public static String getRow(int numberOfStars) {
-        return null;
+        String result = "";
+        for (int i=0; i < numberOfStars; i++){
+            result += "*"; 
+        } 
+        return result;
+
     }
 
     public static String getTriangle(int numberOfRows) {
-        return null;
+       String result = "";
+        for (int i=0; i < numberOfRows; i++) {
+
+            for (int j=0; j <= i; j++) {
+                result +="*";
+            }
+            result += "\n";
+        }
+        return result;
     }
+
 
 
     public static String getSmallTriangle() {
-        return null;
+       return getTriangle(4);
     }
-
     public static String getLargeTriangle() {
-        return null;
+        return getTriangle(9);
     }
 }