completed

PhoneBook.java

@@ -1,7 +1,63 @@
- 
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.Set;
+import java.util.TreeMap;
 
 /**
  * Created by leon on 1/23/18.
  */
 public class PhoneBook {
+    String name;
+    String number = ""; 
+    Map<String, String> yellowPages = new TreeMap<String, String>();
+
+    public PhoneBook(){
+    }
+    public void add(String name, String phoneNumber){
+        yellowPages.put(name, phoneNumber);
+    }
+
+    public void remove(String name) {
+        yellowPages.remove(name);
+    }
+
+    public String lookUp(String name) {
+        String number = yellowPages.get(name);
+        return number;
+    }
+
+    public int getSize(){
+
+        return yellowPages.size();
+    }
+
+    public String reverseLookUp(String value) {
+        String key = "";
+        
+        for(Map.Entry entry : yellowPages.entrySet())
+        if(value.equals(entry.getValue())){
+        key = entry.getKey().toString();
+        
+        }
+        
+        return key;
+    }
+    
+    public String display() {
+        Set set = yellowPages.entrySet();
+        Iterator it = set.iterator();
+        
+        StringBuilder answerBuild = new StringBuilder();
+        
+        while(it.hasNext()) {
+        Map.Entry x = (Map.Entry)it.next();
+        answerBuild.append(x.getKey() + " : " + x.getValue());
+        
+        }
+        
+        String answer = answerBuild.toString();
+        return answer;
+    }
 }

PhoneBookTest.java

@@ -13,30 +13,70 @@ import org.junit.Test;
  */
 public class PhoneBookTest
 {
-    /**
-     * Default constructor for test class PhoneBookTest
-     */
-    public PhoneBookTest()
-    {
+   @Test
+   public void phoneBooktest(){
+       PhoneBook yellowPages = new PhoneBook();
+       
+       
     }
-
-    /**
-     * Sets up the test fixture.
-     *
-     * Called before every test case method.
-     */
-    @Before
-    public void setUp()
-    {
+    
+   @Test
+   public void addTest(){
+    //Given 
+    PhoneBook yellowPages = new PhoneBook();
+    yellowPages.add("Jenny", "123-867-5309");
+    
+    //Then:
+    String actual = yellowPages.lookUp("Jenny");
+    String expected = "123-867-5309";
+    
+    //Assert:
+    
+    assertEquals(expected, actual);
+    
     }
-
-    /**
-     * Tears down the test fixture.
-     *
-     * Called after every test case method.
-     */
-    @After
-    public void tearDown()
-    {
+    
+    @Test
+    public void removeTest() {
+    //Given:
+    PhoneBook yellowPages = new PhoneBook();
+    yellowPages.add("Jenny", "123-867-5309");
+    yellowPages.remove("Jenny");
+    //Then:
+    int actual = yellowPages.getSize();
+    int expected = 0;
+    //Assert:
+    assertEquals(expected, actual);
+    
+    }
+    
+    @Test
+    public void reverseLookUpTest() {
+   //Given:
+   PhoneBook yellowPages = new PhoneBook();
+    yellowPages.add("Jenny", "123-867-5309");
+   //Then:
+   String actual = yellowPages.reverseLookUp("123-867-5309");
+   String expected = "Jenny";
+    //Assert:
+    assertEquals(expected, actual);
+    
+    }
+    
+    @Test
+    public void displayTest(){
+    //Given:
+    
+    PhoneBook yellowPages = new PhoneBook();
+    yellowPages.add("Jenny", "123-867-5309");
+    
+    
+    //Then:
+    
+    String actual = yellowPages.display();
+    String expected ="Jenny : 123-867-5309";
+    
+    //Assert:
+    assertEquals(expected, actual);
     }
 }

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
-objectbench.height=101
-objectbench.width=461
+dependency1.from=PhoneBookTest
+dependency1.to=PhoneBook
+dependency1.type=UsesDependency
+editor.fx.0.height=722
+editor.fx.0.width=800
+editor.fx.0.x=240
+editor.fx.0.y=41
+objectbench.height=164
+objectbench.width=776
 package.divider.horizontal=0.6
-package.divider.vertical=0.8007380073800738
-package.editor.height=427
+package.divider.vertical=0.6845018450184502
+package.editor.height=364
 package.editor.width=674
-package.editor.x=427
-package.editor.y=143
+package.editor.x=110
+package.editor.y=157
 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=120
+target1.y=90
+target2.height=50
+target2.name=PhoneBook
+target2.showInterface=false
+target2.type=ClassTarget
+target2.width=100
+target2.x=100
+target2.y=130