Completed

pom.xml

@@ -7,6 +7,18 @@
     <groupId>io.zipcoder</groupId>
     <artifactId>InterviewProblem5</artifactId>
     <version>1.0-SNAPSHOT</version>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>1.7</source>
+                    <target>1.7</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
 
     <dependencies>
         <!-- https://mvnrepository.com/artifact/junit/junit -->

src/main/java/io/zipcoder/Problem6.java

@@ -1,4 +1,67 @@
 package io.zipcoder;
 
+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+import java.util.HashMap;
+import java.util.Map;
+
 public class Problem6 {
-}
+    //Calendar is a singleton and you HAVE to call .getInstance *protected constructor*
+    private Calendar calendar = Calendar.getInstance();
+    private String hour;
+    private String minute;
+
+    public String convertToMilitary(String input) {
+        //Separate Hour & Minute
+        calendar.set(Calendar.HOUR, Integer.parseInt(input.substring(0, input.indexOf(":"))));
+        calendar.set(Calendar.MINUTE,
+                //if it is a double digit hour then you index at 5 else index at 4
+                Integer.parseInt(input.substring(input.indexOf(":") + 1 , calendar.get(Calendar.HOUR)>9?5:4)));
+        //If I want to check seconds, too - I would need to change the formatter to reflect HH:mm:ss
+        //calendar.set(Calendar.SECOND, 00);
+
+        //Check if AM or PM
+        calendar.set(Calendar.AM_PM, input.substring(input.length() - 2).equalsIgnoreCase("am") ? Calendar.AM : Calendar.PM);
+
+        SimpleDateFormat formatter = new SimpleDateFormat("HH:mm");
+        return formatter.format(calendar.getTime());
+
+    }
+
+    public Map<Integer, String> minuteMap = new HashMap<Integer, String>(){
+        {
+            put(1, "One"); put(2, "Two"); put(3, "Three"); put(4, "Four"); put(5, "Five");
+            put(6, "Six"); put(7, "Seven"); put(8, "Eight"); put(9, "Nine"); put(10, "Ten");
+            put(11, "Eleven"); put(12, "Twelve"); put(13, "Thirteen"); put(14, "Fourteen");
+            put(15, "Fifteen"); put(16, "Sixteen"); put(17, "Seventeen"); put(18, "Eighteen");
+            put(19, "Nineteen"); put(20, "Twenty"); put(21, "Twenty One"); put(22, "Twenty Two");
+            put(23, "Twenty Three"); put(24, "Twenty Four"); put(25, "Twenty Five");put(26, "Twenty Six");
+            put(27, "Twenty Seven"); put(28, "Twenty Eight"); put(29, "Twenty Nine"); put(30, "Thirty");
+            put(31, "Thirty One");  put(32, "Thirty Two"); put(33, "Thirty Three"); put(34, "Thirty Four");
+            put(35, "Thirty Five"); put(36, "Thirty Six"); put(37, "Thirty Seven"); put(38, "Thirty Eight");
+            put(39, "Thirty Nine"); put(40, "Forty"); put(41, "Forty One"); put(42, "Forty Two");
+            put(43, "Forty Three"); put(44, "Forty Four"); put(45, "Forty Five");put(46, "Forty Six");
+            put(47, "Forty Seven"); put(48, "Forty Eight"); put(49, "Forty Nine"); put(50, "Fifty");
+            put(51, "Fifty One"); put(52, "Fifty Two"); put(53, "Fifty Three"); put(54, "Fifty Four");
+            put(55, "Fifty Five");put(56, "Fifty Six"); put(57, "Fifty Seven"); put(58, "Fifty Eight"); put(59, "Fifty Nine");
+        }
+    };
+
+    public Map<Integer, String> hourMap = new HashMap<Integer, String>(){
+        {
+            put(1, "Zero One"); put(2, "Zero Two"); put(3, "Zero Three"); put(4, "Zero Four"); put(5, "Zero Five");
+            put(6, "Zero Six"); put(7, "Zero Seven"); put(8, "Zero Eight"); put(9, "Zero Nine"); put(10, "Ten");
+            put(11, "Eleven"); put(12, "Twelve"); put(13, "Thirteen"); put(14, "Fourteen");
+            put(15, "Fifteen"); put(16, "Sixteen"); put(17, "Seventeen"); put(18, "Eighteen");
+            put(19, "Nineteen"); put(20, "Twenty"); put(21, "Twenty One"); put(22, "Twenty Two");
+            put(23, "Twenty Three"); put(24, "Twenty Four");
+        }
+    };
+
+    public String parseToString(String input) {
+        String[] time = convertToMilitary(input).split(":");
+        time[1] = minuteMap.get(calendar.get(Calendar.MINUTE));
+        time[0] = hourMap.get(calendar.get(Calendar.HOUR_OF_DAY));
+        return time[0] + " Hundred and " + time[1] + " Hours";
+    }
+}

src/test/java/io/zipcoder/Problem6Test.java

@@ -1,4 +1,147 @@
 package io.zipcoder;
 
+import org.junit.Assert;
+import org.junit.Test;
+
 public class Problem6Test {
-}
+
+    @Test
+    public void splitStringTest() {
+        // Given
+        Problem6 problem6 = new Problem6();
+        String time = "1:30pm";
+
+        // When
+        String expected = "13:30";
+        String actual = problem6.convertToMilitary(time);
+
+        // Then
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void splitStringTest2() {
+        // Given
+        Problem6 problem6 = new Problem6();
+        String time = "1:30am";
+
+        // When
+        String expected = "01:30";
+        String actual = problem6.convertToMilitary(time);
+
+        // Then
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void splitStringTest3() {
+        // Given
+        Problem6 problem6 = new Problem6();
+        String time = "2:22pm";
+
+        // When
+        String expected = "14:22";
+        String actual = problem6.convertToMilitary(time);
+
+        // Then
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void splitStringTest4() {
+        // Given
+        Problem6 problem6 = new Problem6();
+        String time = "2:11am";
+
+        // When
+        String expected = "02:11";
+        String actual = problem6.convertToMilitary(time);
+
+        // Then
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void splitStringTest5() {
+        // Given
+        Problem6 problem6 = new Problem6();
+        String time = "10:02am";
+
+        // When
+        String expected = "10:02";
+        String actual = problem6.convertToMilitary(time);
+
+        // Then
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void parseToStringTest() {
+        // Given
+        Problem6 problem6 = new Problem6();
+        String time = "1:30pm";
+
+        // When
+        String expected = "Thirteen Hundred and Thirty Hours";
+        String actual = problem6.parseToString(time);
+
+        // Then
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void parseToStringTest2() {
+        // Given
+        Problem6 problem6 = new Problem6();
+        String time = "1:30am";
+
+        // When
+        String expected = "Zero One Hundred and Thirty Hours";
+        String actual = problem6.parseToString(time);
+
+        // Then
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void parseToStringTest3() {
+        // Given
+        Problem6 problem6 = new Problem6();
+        String time = "2:22pm";
+
+        // When
+        String expected = "Fourteen Hundred and Twenty Two Hours";
+        String actual = problem6.parseToString(time);
+
+        // Then
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void parseToStringTest4() {
+        // Given
+        Problem6 problem6 = new Problem6();
+        String time = "2:11am";
+
+        // When
+        String expected = "Zero Two Hundred and Eleven Hours";
+        String actual = problem6.parseToString(time);
+
+        // Then
+        Assert.assertEquals(expected, actual);
+    }
+
+    @Test
+    public void parseToStringTest5() {
+        // Given
+        Problem6 problem6 = new Problem6();
+        String time = "10:02am";
+
+        // When
+        String expected = "Ten Hundred and Two Hours";
+        String actual = problem6.parseToString(time);
+
+        // Then
+        Assert.assertEquals(expected, actual);
+    }
+}