first commit almost done

src/main/java/io/zipcoder/microlabs/mastering_loops/NumberUtilities.java

@@ -3,34 +3,91 @@ package io.zipcoder.microlabs.mastering_loops;
 
 public class NumberUtilities {
     public static String getEvenNumbers(int start, int stop) {
-        return null;
+        String numList = "";
+
+        for (int i = start; i < stop; i++) {
+
+            if (i % 2 == 0) {
+
+                numList = numList + i;
+            }
+        }
+
+
+        return numList;
     }
 
 
     public static String getOddNumbers(int start, int stop) {
-        return null;
+
+        String numList = "";
+
+        for (int i = start; i < stop; i++) {
+
+            if (i % 2 != 0) {
+
+                numList = numList + i;
+            }
+        }
+        return numList;
     }
 
 
     public static String getSquareNumbers(int start, int stop, int step) {
-        return null;
+
+        String numList = "";
+
+        for (int i = start; i < stop; i += step) {
+
+            int theLid = (int) Math.pow(i, 2);
+            numList += String.valueOf(theLid);
+
+        }
+
+        return numList;
     }
 
-    public static String getRange(int start) {
-        return null;
+
+    public static String getRange(int stop) {
+        String numList = "";
+
+        for (int i = 0; i < stop; i++)
+            numList += String.valueOf(i);
+
+        return numList;
     }
 
+
+
     public static String getRange(int start, int stop) {
-        return null;
+        String numList = "";
+
+        for (int i = start; i < stop; i++)
+            numList += String.valueOf(i);
+
+        return numList;
     }
 
 
     public static String getRange(int start, int stop, int step) {
-        return null;
+        String numList = "";
+
+        for (int i = start; i < stop; i+=step)
+            numList += String.valueOf(i);
+
+        return numList;
     }
 
 
     public static String getExponentiations(int start, int stop, int step, int exponent) {
-        return null;
+
+        String numList = "";
+
+        for (int i = start; i < stop; i += step) {
+
+            int theLid = (int) Math.pow(i, exponent);
+            numList += String.valueOf(theLid);
+        }
+        return numList;
     }
 }

src/main/java/io/zipcoder/microlabs/mastering_loops/TableUtilities.java

@@ -1,8 +1,19 @@
 package io.zipcoder.microlabs.mastering_loops;
 
 public class TableUtilities {
+
     public static String getSmallMultiplicationTable() {
-        return null;
+
+        String lilguy = "";
+            for(int i = 1; i < 6; i++) {
+                String grow = "";
+                for (int a = 1; a < 6; a++) {
+                    int b = a * i;
+                        grow += String.format("%3d", b) + " |";
+                    }
+                lilguy += grow + "\n";
+            }
+        return lilguy;
     }
 
     public static String getLargeMultiplicationTable() {

src/main/java/io/zipcoder/microlabs/mastering_loops/TriangleUtilities.java

@@ -3,18 +3,58 @@ package io.zipcoder.microlabs.mastering_loops;
 public class TriangleUtilities {
 
     public static String getTriangle(int numberOfRows) {
-        return null;
+
+            String newTriangle = "*\n";
+            String newLine= "*";
+            int counter = 1;
+
+            while(counter < numberOfRows - 1){
+                 newLine += "*";
+                 newTriangle += newLine + "\n";
+                 counter++;
+          }
+         return newTriangle;
     }
 
     public static String getRow(int numberOfStars) {
-        return null;
+
+            String star = "";
+            int counter = 1;
+
+            while(counter <= numberOfStars) {
+                star = star + "*";
+                counter++;
+        }
+        return star;
     }
 
     public static String getSmallTriangle() {
-        return null;
+
+        String newTriangle = "*\n";
+        String newLine = "*";
+        int counter = 1;
+
+        while(counter < 4){
+            newLine += "*";
+            newTriangle += newLine + "\n";
+            counter++;
+        }
+        return newTriangle;
     }
 
     public static String getLargeTriangle() {
-        return null;
+
+            String newTriangle = "*\n";
+            String newLine = "*";
+            int counter = 1;
+
+            while(counter < 9){
+                newLine += "*";
+                newTriangle += newLine + "\n";
+                counter++;
+        }
+        return newTriangle;
     }
 }
+
+// woo!

src/test/java/io/zipcoder/microlabs/mastering_loops/NumberUtilitiesTest.java

@@ -8,7 +8,7 @@ public class NumberUtilitiesTest {
     public void testGetRange1A() {
         // : Given
         String expected = "0123456789";
-        int stop = 11;
+        int stop = 10;
 
         // : When
         String actual = NumberUtilities.getRange(stop);
@@ -87,7 +87,7 @@ public class NumberUtilitiesTest {
     @Test
     public void testGetRange3B() {
         // : Given
-        String expected = "100101103104105106107108109";
+        String expected = "100101102103104105106107108109";
         int start = 100;
         int stop = 110;
 
@@ -173,7 +173,7 @@ public class NumberUtilitiesTest {
     @Test
     public void testGetEvenNumbers() {
         // : Given
-        String expected = "5791113151719";
+        String expected = "681012141618";
         int start = 5;
         int stop = 20;
 
@@ -187,7 +187,7 @@ public class NumberUtilitiesTest {
     @Test
     public void testGetOddNumbers() {
         // : Given
-        String expected = "681012141618";
+        String expected = "5791113151719";
         int start = 5;
         int stop = 20;
         int step = 5;