Liam Coddington Code Interview

java-interview.iml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8">
+    <output url="file://$MODULE_DIR$/target/classes" />
+    <output-test url="file://$MODULE_DIR$/target/test-classes" />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
+      <excludeFolder url="file://$MODULE_DIR$/target" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.junit.jupiter:junit-jupiter-api:5.4.2" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.apiguardian:apiguardian-api:1.0.0" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.opentest4j:opentest4j:1.1.1" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.junit.platform:junit-platform-commons:1.4.2" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.junit.jupiter:junit-jupiter-engine:5.4.2" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.junit.platform:junit-platform-engine:1.4.2" level="project" />
+    <orderEntry type="library" name="Maven: joda-time:joda-time:2.9.7" level="project" />
+  </component>
+</module>

src/main/java/com/github/archarithms/App.java

@@ -1,15 +1,46 @@
 package com.github.archarithms;
 
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.Date;
 
 public class App
 {
-  public static String convertToTitleCase(final String inpStr)
-  {
-    return inpStr;
+  public static String convertToTitleCase(final String inpStr) throws Exception {
+    if (inpStr == null) {
+      throw new Exception();
+    }
+    StringBuilder sb = new StringBuilder();
+    // Split up the string and remove all of the garbage characters
+    String[] splitInput = inpStr.split("]|-|_|\\[|/");
+    for (int i = 0; i < splitInput.length; i++) {
+      // Set the entire string to lowercase
+      String s = splitInput[i].toLowerCase();
+      // check to see if the string contains anything
+      if (s.length() > 0) {
+        // Set the first letter to Uppercase if possible
+        String first = s.substring(0, 1).toUpperCase();
+        String temp = s.substring(1);
+        // Concat the 2 strings and append it to the StringBuilder
+        sb.append(first.concat(temp));
+      }
+      // Append a space to the StringBuilder this isn't the last string
+      if (i < splitInput.length - 1) {
+        sb.append(" ");
+      }
+    }
+    return sb.toString();
   }
 
-  public static String convertUnixToDateString(final Long inpUnixSeconds)
-  {
-    return String.valueOf(inpUnixSeconds);
+  public static String convertUnixToDateString(final Long inpUnixSeconds) throws Exception {
+    if (inpUnixSeconds == null) {
+      throw new Exception();
+    }
+    // Convert to milliseconds
+    Long millis = inpUnixSeconds * 1000;
+    // Using DateFormat with a Date to make get the correct format
+    Date date = new Date(millis);
+    DateFormat format = new SimpleDateFormat("MMMMMMMMM d, y");
+    return format.format(date);
   }
 }

src/test/java/com/github/archarithms/test/DateStringTests.java

@@ -21,7 +21,7 @@ public class DateStringTests
      * Test the testConvertUnixToDateString method
      */
     @Test
-    public void testConvertUnixToDateString() {
+    public void testConvertUnixToDateString() throws Exception {
         String testStr = "July 4, 2017";
         assertTrue(testStr.equals(App.convertUnixToDateString(1499144400L)));
     }
@@ -33,4 +33,13 @@ public void testConvertUnixToDateString() {
     public void testNullCase() {
         assertThrows(Exception.class, () -> App.convertUnixToDateString(null));
     }
+
+    /**
+     * Test the testMyBirthday method
+     */
+    @Test
+    public void testMyBirthday() throws Exception {
+        String testStr = "August 14, 1998";
+        assertTrue(testStr.equals(App.convertUnixToDateString(903114000L)));
+    }
 }

src/test/java/com/github/archarithms/test/TitleCaseTests.java

@@ -1,11 +1,13 @@
 package com.github.archarithms.test;
 
-import static org.junit.jupiter.api.Assertions.assertTrue;
-
 import org.junit.jupiter.api.Test;
 
 import com.github.archarithms.App;
 
+import java.text.ParseException;
+
+import static org.junit.jupiter.api.Assertions.*;
+
 /**
  * TitleCaseTests unit tests for simple App.
  */
@@ -20,7 +22,7 @@ public class TitleCaseTests
      * Test the testConvertToTitleCase method
      */
     @Test
-    public void testConvertToTitleCase() {
+    public void testConvertToTitleCase() throws Exception {
         String testStr = "Title Case";
         assertTrue(testStr.equals(App.convertToTitleCase("TITLE_CASE")));
     }
@@ -29,7 +31,7 @@ public void testConvertToTitleCase() {
      * Test the testNumbers method
      */
     @Test
-    public void testNumbers() {
+    public void testNumbers() throws Exception {
         String testStr = "Number 3";
         assertTrue(testStr.equals(App.convertToTitleCase("NUMBER_3")));
     }
@@ -38,8 +40,25 @@ public void testNumbers() {
      * Test the testOtherChars method
      */
     @Test
-    public void testOtherChars() {
+    public void testOtherChars() throws Exception {
         String testStr = "Truth Track";
         assertTrue(testStr.equals(App.convertToTitleCase("TRUTH-TRACK")));
     }
+
+    /**
+     * Test the testMultipleChars method
+     */
+    @Test
+    public void testMultipleChars() throws Exception {
+        String testStr = "Case Three Extra Chars";
+        assertTrue(testStr.equals(App.convertToTitleCase("CASE-THREE_extra[chars]///")));
+    }
+
+    /**
+     * Test the testNullString method
+     */
+    @Test
+    public void testNullString() {
+        assertThrows(Exception.class, () -> App.convertToTitleCase(null));
+    }
 }