completed Leon's Lopps lab

NumberUtilities.java

@@ -4,29 +4,63 @@
 public class NumberUtilities {
     
     public static String getRange(int start) {
-        return null;
+        StringBuilder numberRange = new StringBuilder();
+        for (int i = 0; i < start; i++){
+            numberRange.append(i);
+        }
+        return numberRange.toString();
+            
+        
     }
     
     public static String getRange(int start, int stop) {
-        return null;
+        StringBuilder numberRange = new StringBuilder();
+        for (int i = start; i < stop; i++){
+            numberRange.append(i);
+        }
+        return numberRange.toString();
     }
 
 
     public static String getRange(int start, int stop, int step) {
-        return null;
+        StringBuilder numberRange = new StringBuilder();
+        for (int i = start; i < stop; i += step){
+            numberRange.append(i);
+        }
+        return numberRange.toString();
     }
     
     public static String getEvenNumbers(int start, int stop) {
-        return null;
+        StringBuilder evenNumberList = new StringBuilder();
+        for (int i = start; i < stop; i++){
+            if (i%2 == 0){
+                evenNumberList.append(i);
+            }
+        }
+        
+        return evenNumberList.toString();
     }
 
 
     public static String getOddNumbers(int start, int stop) {
-        return null;
+        StringBuilder oddNumberList = new StringBuilder();
+        for (int i = start; i < stop; i++){
+            if (i%2 != 0){
+                oddNumberList.append(i);
+            }
     }
+    return oddNumberList.toString();
+}
 
 
     public static String getExponentiations(int start, int stop, int exponent) {
-        return null;
+       StringBuilder exponentList = new StringBuilder();
+        for (int i = start; i <= stop; i++){
+            double exponentResult = Math.pow(i, exponent);
+            int convertedResult = (int) exponentResult;
+            exponentList.append(convertedResult);
+            
+        }
+            return exponentList.toString();
     }
 }

TableUtilities.java

@@ -1,15 +1,42 @@
- 
 
 public class TableUtilities {
     public static String getSmallMultiplicationTable() {
-        return null;
+        StringBuilder multiTable = new StringBuilder();
+        for (int i = 1; i <= 5; i++){
+            for (int h = 1; h <= 5; h++){
+                int product = h*i;
+                multiTable.append(String.format("%3d |", product));
+
+            }
+            multiTable.append("\n");
+        }
+        return multiTable.toString();
+
     }
 
     public static String getLargeMultiplicationTable() {
-        return null;
+        StringBuilder multiTable = new StringBuilder();
+        for (int i = 1; i <= 10; i++){
+            for (int h = 1; h <= 10; h++){
+                int product = h*i;
+                multiTable.append(String.format("%3d |", product));
+
+            }
+            multiTable.append("\n");
+        }
+        return multiTable.toString();
     }
 
     public static String getMultiplicationTable(int tableSize) {
-        return null;
+        StringBuilder multiTable = new StringBuilder();
+        for (int i = 1; i <= tableSize; i++){
+            for (int h = 1; h <= tableSize; h++){
+                int product = h*i;
+                multiTable.append(String.format("%3d |", product));
+
+            }
+            multiTable.append("\n");
+        }
+        return multiTable.toString();
     }
 }

TriangleUtilities.java

@@ -3,19 +3,31 @@
 public class TriangleUtilities {
 
     public static String getRow(int numberOfStars) {
-        return null;
+        StringBuilder width = new StringBuilder();
+        for (int i = 1; i <= numberOfStars; i++){
+            width.append("*");
+        
+        }
+        return width.toString(); 
     }
     
     public static String getTriangle(int numberOfRows) {
-        return null;
+        StringBuilder triangle = new StringBuilder();
+        for (int i = 1; i <= numberOfRows; i++){
+            for (int h =1; h <= i; h++){
+                triangle.append("*");
+            }
+           triangle.append("\n");
+        }
+        return triangle.toString();
     }
 
 
     public static String getSmallTriangle() {
-        return null;
+        return getTriangle(4);
     }
 
     public static String getLargeTriangle() {
-        return null;
+        return getTriangle(9);
     }
 }

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.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
-objectbench.height=164
+editor.fx.0.height=716
+editor.fx.0.width=864
+editor.fx.0.x=177
+editor.fx.0.y=47
+objectbench.height=152
 objectbench.width=484
 package.divider.horizontal=0.6
-package.divider.vertical=0.7560627674750356
-package.editor.height=523
+package.divider.vertical=0.7568807339449541
+package.editor.height=488
 package.editor.width=382
-package.editor.x=20
-package.editor.y=57
-package.frame.height=759
+package.editor.x=119
+package.editor.y=23
+package.frame.height=712
 package.frame.width=508
 package.numDependencies=3
 package.numTargets=6