Completed Loops lab

NumberUtilities.java

@@ -1,32 +1,56 @@
- 
+ import java.lang.*;
 
 
 public class NumberUtilities {
+    //private static String str = "";
     
-    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!=0)
+                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 +1,34 @@
  
 
 public class TableUtilities {
+    //private static String str = "";
     public static String getSmallMultiplicationTable() {
-        return null;
+        String str = "";
+        for(int i=1;i<=5;i++){
+            for(int j=1;j<=5;j++)
+                str += String.format("%3d |", i*j);
+            str+="\n";
+        }
+        return str;
     }
 
     public static String getLargeMultiplicationTable() {
-        return null;
+        String str = "";
+        for(int i=1;i<=10;i++){
+            for(int j=1;j<=10;j++)
+                str += String.format("%3d |", i*j);
+            str+="\n";
+        }
+        return str;
     }
 
     public static String getMultiplicationTable(int tableSize) {
-        return null;
+        String str = "";
+        for(int i=1;i<=tableSize;i++){
+            for(int j=1;j<=tableSize;j++)
+                str += String.format("%3d |", i*j);
+            str+="\n";
+        }
+        return str;
     }
 }

TriangleUtilities.java

@@ -1,21 +1,46 @@
  
 
 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

@@ -1,27 +1,27 @@
 #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
+editor.fx.0.width=1280
+editor.fx.0.x=497
+editor.fx.0.y=23
+objectbench.height=156
+objectbench.width=653
 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
-package.frame.width=508
+package.divider.vertical=0.7545180722891566
+package.editor.height=494
+package.editor.width=551
+package.editor.x=79
+package.editor.y=30
+package.frame.height=722
+package.frame.width=677
 package.numDependencies=3
 package.numTargets=6
 package.showExtends=true