updated commit

PhoneBook.java

@@ -1,7 +1,31 @@
- 
+import java.util.*;
+import java.util.Map.Entry;
 
-/**
- * Created by leon on 1/23/18.
- */
-public class PhoneBook {
-}
+
+public class PhoneBook {    
+
+    Map<String, List<String>> phoneMap = new TreeMap<String, List<String>>();    
+    List<String> phoneNumbers = new ArrayList<String>();
+
+    public void add(String name, String phoneNumber){
+        phoneNumbers.add(phoneNumber);
+        phoneMap.put(name, phoneNumbers);
+    }
+
+    public void remove(String name){
+        phoneMap.remove(name);
+    }
+
+    public String lookup(String name){
+        return phoneNumbers.iterator(phoneMap.get(name));
+    }
+
+    public String reverseLookup(String phoneNumber){
+        for(Entry<String, String> entry : phoneMap.entrySet()){
+            if(entry.getValue().equals(phoneNumber)){
+                return entry.getKey();
+            }
+        }
+        return null;
+    }
+}

PhoneBookTest.java

@@ -1,16 +1,9 @@
-
-
 import static org.junit.Assert.*;
 import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 
-/**
- * The test class PhoneBookTest.
- *
- * @author  (your name)
- * @version (a version number or a date)
- */
+
 public class PhoneBookTest
 {
     /**

package.bluej

@@ -9,12 +9,12 @@ 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=-239
+package.editor.y=-975
 package.frame.height=600
 package.frame.width=800
 package.numDependencies=0
-package.numTargets=1
+package.numTargets=2
 package.showExtends=true
 package.showUses=true
 project.charset=UTF-8
@@ -23,4 +23,17 @@ readme.name=@README
 readme.width=47
 readme.x=10
 readme.y=10
-
+target1.height=50
+target1.name=PhoneBookTest
+target1.showInterface=false
+target1.type=ClassTarget
+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