NumbersTriangleTable

NumberUtilities.java

@@ -1,32 +1,55 @@
- 
 
 
 public class NumberUtilities {
-    
-    public static String getRange(int start) {
-        return null;
+
+    public static String getRange(int stop) {
+        String str = "";
+        for(int i =0; i <stop; i++)
+            str += i ;
+
+        return str;
     }
-    
+
     public static String getRange(int start, int stop) {
-        return null;
+        String str = "";
+        for (int i = start; i < stop ; i++)
+            str += i;
+        return str;
     }
 
-
     public static String getRange(int start, int stop, int step) {
-        return null;
+        String str = "";
+        for (int i = start; i < stop ; i += step)
+            str += i;
+        return str;
     }
-    
+
     public static String getEvenNumbers(int start, int stop) {
-        return null;
+        String str = "";
+        for(int i = start ; i < stop ; i++ ){
+            if(i %2 == 0)
+                str += i;
+        }
+        return str;
     }
 
-
     public static String getOddNumbers(int start, int stop) {
-        return null;
+        String str = "";
+        for(int i = start; i < stop ; i++){
+            if(i %2 == 1){
+            str +=i;
+        }
     }
+        return str;
+    }
+
 
 
     public static String getExponentiations(int start, int stop, int exponent) {
-        return null;
+        String str = "";
+        for(int i = start; i <= stop ; i ++)
+        str += (int)Math.pow(i,exponent);
+        
+        return str;
     }
 }

TableUtilities.java

@@ -1,15 +1,56 @@
  
 
 public class TableUtilities {
-    public static String getSmallMultiplicationTable() {
-        return null;
+    public static String getSmallMultiplicationTable() 
+    {
+        String str= "";
+        for (int i=1; i<=5; i++)
+        {
+            int result=0;
+            for(int j=1; j<=5; j++)
+            {
+              result = i*j; 
+              
+              str += String.format("%3d |",result);
+              
+            }
+            str += "\n";
+        }
+        return str;
     }
+    
 
     public static String getLargeMultiplicationTable() {
-        return null;
+        String str= "";
+        for (int i=1; i<=10; i++)
+        {
+            int result=0;
+            for(int j=1; j<=10; j++)
+            {
+              result = i*j; 
+              
+              str += String.format("%3d |",result);
+              
+            }
+            str += "\n";
+        }
+        return str;
     }
 
     public static String getMultiplicationTable(int tableSize) {
-        return null;
+        String str= "";
+        for (int i=1; i<=tableSize; i++)
+        {
+            int result=0;
+            for(int j=1; j<=tableSize; j++)
+            {
+              result = i*j; 
+              
+              str += String.format("%3d |",result);
+              
+            }
+            str += "\n";
+        }
+        return str;
     }
 }

TriangleUtilities.java

@@ -1,21 +1,54 @@
- 
 
 public class TriangleUtilities {
-
     public static String getRow(int numberOfStars) {
-        return null;
+        String str="";
+        for(int i=0; i<numberOfStars; i++)
+        {
+            str += "*";
+        }
+        return str;
     }
-    
+
     public static String getTriangle(int numberOfRows) {
-        return null;
-    }
+        String str ="";
+        for(int i=1; i<=numberOfRows; i++)
+        {
 
+            for(int j=1; j<=i; j++)
+            {
+                str += "*";
+            }
+            str += "\n";
+        }
+        return str;
+    }
 
     public static String getSmallTriangle() {
-        return null;
+        String str ="";
+        for(int i=1; i<=4; i++)
+        {
+            for(int j=1; j<=i; j++)
+            {
+                str += "*";
+            }
+            str += "\n";
+
+        }
+        return str;
+
     }
 
     public static String getLargeTriangle() {
-        return null;
+        String str ="";
+        for(int i=1; i<10; i++)
+        {
+            for(int j=1; j<=i; j++)
+            {
+                str += "*";
+            }
+            str += "\n";
+        }
+        return str;
+
     }
 }

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
-objectbench.width=484
-package.divider.horizontal=0.6
-package.divider.vertical=0.7560627674750356
-package.editor.height=523
-package.editor.width=382
-package.editor.x=20
-package.editor.y=57
-package.frame.height=759
+editor.fx.0.height=717
+editor.fx.0.width=988
+editor.fx.0.x=130
+editor.fx.0.y=23
+objectbench.height=153
+objectbench.width=286
+package.divider.horizontal=0.6004098360655737
+package.divider.vertical=0.7026022304832714
+package.editor.height=371
+package.editor.width=366
+package.editor.x=233
+package.editor.y=23
+package.frame.height=596
 package.frame.width=508
 package.numDependencies=3
 package.numTargets=6