NumberUtilities.java

@@ -1,32 +1,64 @@
- 
 
 
 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+=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+=i ;
+        }
+        return result;
     }
-    
+
     public static String getEvenNumbers(int start, int stop) {
-        return null;
+        String result = "";
+        for (int i=start;i<stop;i+=2){
+            int stuff = i;
+            if (i%2==0){
+                stuff = i;
+            }else{
+                stuff = i+1;
+            }
+            result+=stuff;
+        }
+        return result;
     }
 
-
     public static String getOddNumbers(int start, int stop) {
-        return null;
+        String result = "";
+        for (int i=start;i<stop;i+=2){
+            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++){
+            int stuff = i;
+            for (int j=1;j<exponent;j++){
+                stuff *=i ;
+            }
+            result += stuff;
+        }
+        return result;
     }
 }

TableUtilities.java

@@ -2,14 +2,35 @@
 
 public class TableUtilities {
     public static String getSmallMultiplicationTable() {
-        return null;
+        String result = "";
+        for (int i=1;i<=5;i++){
+            for (int j=1;j<=5;j++){
+                result+= String.format(" %2d |",j*i);
+            }
+            result+="\n";
+        }
+        return result;
     }
 
     public static String getLargeMultiplicationTable() {
-        return null;
+        String result = "";
+        for (int i=1;i<=10;i++){
+            for (int j=1;j<=10;j++){
+                result+= String.format("%3d |",j*i);
+            }
+            result+="\n";
+        }
+        return result;
     }
 
     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+= String.format("%3d |",j*i);
+            }
+            result+="\n";
+        }
+        return result;
     }
 }

TriangleUtilities.java

@@ -3,19 +3,45 @@
 public class TriangleUtilities {
 
     public static String getRow(int numberOfStars) {
-        return null;
+        String result = "";
+        for (int i=1;i<=numberOfStars;i++){
+            result+="*" ;
+        }
+        return result;
     }
     
     public static String getTriangle(int numberOfRows) {
-        return null;
+        String result = "";
+        for (int i=1;i<=numberOfRows;i++){
+            for (int j=1;j<=i;j++){
+                result+= "*";
+            }
+            result+="\n" ;
+        }
+        return result;
     }
 
 
     public static String getSmallTriangle() {
-        return null;
+        String result = "";
+        for (int i=1;i<=4;i++){
+            
+            for (int j=1;j<=i;j++){
+                result += "*" ;
+            }
+            result += "\n";
+        }
+        return result;
     }
 
     public static String getLargeTriangle() {
-        return null;
+        String result = "";
+        for (int i=1;i<=9;i++){
+            for (int j=1;j<=i;j++){
+                result += "*";
+            }
+            result += "\n";
+        }
+        return result;
     }
 }

package.bluej

@@ -8,19 +8,19 @@ dependency2.type=UsesDependency
 dependency3.from=TableUtilitiesTest
 dependency3.to=TableUtilities
 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=0
+editor.fx.0.width=0
+editor.fx.0.x=0
+editor.fx.0.y=0
+objectbench.height=153
 objectbench.width=484
 package.divider.horizontal=0.6
-package.divider.vertical=0.7560627674750356
-package.editor.height=523
+package.divider.vertical=0.7553516819571865
+package.editor.height=487
 package.editor.width=382
 package.editor.x=20
-package.editor.y=57
-package.frame.height=759
+package.editor.y=23
+package.frame.height=712
 package.frame.width=508
 package.numDependencies=3
 package.numTargets=6