complete

PhoneBook.java

@@ -1,7 +1,46 @@
- 
+import java.util.TreeMap;
+import java.util.Scanner; 
+import java.util.*;
 
 /**
  * Created by leon on 1/23/18.
  */
 public class PhoneBook {
+   // private String name;
+   // private String phoneNumber;
+    private Map<String, String> phoneBook;
+    
+public PhoneBook() {
+    // Create a TreeMap
+    phoneBook = new TreeMap<>();
+    
+    
+   
+}
+
+public  void addListings(String name, String phoneNumber) {
+    phoneBook.put(name, phoneNumber);
+  
+}
+
+public int size() {
+    return phoneBook.size();
+}
+
+public void removeListings(String name, String phoneNumber) {
+    phoneBook.remove(name, phoneNumber);
+}
+
+
+public void lookupByKey(String name, String phoneNumber) {
+     System.out.println(phoneBook.get(name));
+}
+
+public void lookupByValue(String name, String phoneNumber) {
+    System.out.println(phoneBook.get(phoneNumber));
+}
+
+public void display() {
+    System.out.println(phoneBook);
+}
 }

PhoneBookTest.java

@@ -1,5 +1,4 @@
 
-
 import static org.junit.Assert.*;
 import org.junit.After;
 import org.junit.Before;
@@ -13,6 +12,7 @@ import org.junit.Test;
  */
 public class PhoneBookTest
 {
+    private PhoneBook phoneBook;
     /**
      * Default constructor for test class PhoneBookTest
      */
@@ -28,15 +28,81 @@ public class PhoneBookTest
     @Before
     public void setUp()
     {
+       phoneBook = new PhoneBook();
+    }
+    
+    @Test
+    public void testAdd() {
+        //Given
+        String name = "J";
+        String phoneNumber = "2121112222";
+        
+        //Then
+        phoneBook.addListings(name, phoneNumber);
+        int expectedSize = 1;
+        int actualSize = phoneBook.size();
+        
+        //
+        assertEquals(expectedSize, actualSize);
+    }
+    
+    @Test
+    public void testRemove() {
+        //Given
+        String name = "J";
+        String phoneNumber = "2121112222";
+        
+        //Then
+        phoneBook.addListings(name, phoneNumber);
+        int expectedSize = 1;
+        int actualSize = phoneBook.size();
+        
+        //
+        assertEquals(expectedSize, actualSize);
     }
 
-    /**
-     * Tears down the test fixture.
-     *
-     * Called after every test case method.
-     */
-    @After
-    public void tearDown()
-    {
+    @Test
+    public void testLookup() {
+        //Given
+        String name = "J";
+        String phoneNumber = "2121112222";
+        
+        //Then
+        phoneBook.addListings(name, phoneNumber);
+        int expectedSize = 1;
+        int actualSize = phoneBook.size();
+        
+        //
+        assertEquals(expectedSize, actualSize);
+    }
+    
+    @Test
+    public void testReverseLookup() {
+        //Given
+        String name = "J";
+        String phoneNumber = "2121112222";
+        
+        //Then
+        phoneBook.addListings(name, phoneNumber);
+        int expectedSize = 1;
+        int actualSize = phoneBook.size();
+        
+        //
+        assertEquals(expectedSize, actualSize);
+    }
+    
+    @Test
+    public void testReverseLookupWhenNotFound() {
+        //Given
+        String name = "J";
+        String phoneNumber = "2121112222";
+        
+        //Then
+        phoneBook.addListings(name, phoneNumber);
+        int expectedSize = 1;
+        int actualSize = phoneBook.size();
+        
+        //
+        assertEquals(expectedSize, actualSize);
     }
 }

package.bluej

@@ -1,20 +1,23 @@
 #BlueJ package file
-editor.fx.0.height=0
-editor.fx.0.width=0
-editor.fx.0.x=0
-editor.fx.0.y=0
+dependency1.from=PhoneBookTest
+dependency1.to=PhoneBook
+dependency1.type=UsesDependency
+editor.fx.0.height=714
+editor.fx.0.width=800
+editor.fx.0.x=240
+editor.fx.0.y=23
 objectbench.height=101
 objectbench.width=461
 package.divider.horizontal=0.6
 package.divider.vertical=0.8007380073800738
 package.editor.height=427
 package.editor.width=674
-package.editor.x=427
-package.editor.y=143
+package.editor.x=386
+package.editor.y=135
 package.frame.height=600
 package.frame.width=800
-package.numDependencies=0
-package.numTargets=1
+package.numDependencies=1
+package.numTargets=2
 package.showExtends=true
 package.showUses=true
 project.charset=UTF-8
@@ -23,4 +26,17 @@ readme.name=@README
 readme.width=47
 readme.x=10
 readme.y=10
-
+target1.height=50
+target1.name=PhoneBookTest
+target1.showInterface=false
+target1.type=UnitTestTargetJunit4
+target1.width=120
+target1.x=100
+target1.y=10
+target2.height=50
+target2.name=PhoneBook
+target2.showInterface=false
+target2.type=ClassTarget
+target2.width=100
+target2.x=70
+target2.y=70