part 3

src/main/java/Table/Table.java

@@ -10,8 +10,39 @@ import java.util.ArrayList;
  * Void return on `remove`.
  */
 public class Table<K, V> {
-    private ArrayList entries;
+    private ArrayList<Entry> entries;
 
     public Table() {
+        entries = new ArrayList<>();
+    }
+
+    public V get(K key) {
+        for (Entry current : entries) {
+            if (current.getKey().equals(key)) {
+                return (V)current.getValue();
+            }
+        }
+        return null;
+    }
+
+    public void put(K key, V value) {
+        boolean createKey = true;
+        for (int i=0; i<entries.size(); i++) {
+            if (entries.get(i).getKey().equals(key)) {
+                entries.set(i, new Entry(key, value));
+                createKey = false;
+            }
+        }
+        if (createKey) {
+            entries.add(new Entry(key, value));
+        }
+    }
+
+    public void remove(K key) {
+        for (int i=0; i<entries.size(); i++) {
+            if (entries.get(i).getKey().equals(key)) {
+                entries.remove(i);
+            }
+        }
     }
 }

src/test/java/Table/TableTest.java

@@ -1,50 +1,50 @@
-//package Table;
-//
-//import org.junit.Assert;
-//import org.junit.Test;
-//
-//public class TableTest {
-//    @Test
-//    public void testGetWithoutAnItemReturnsNull() throws Exception {
-//        // Given an empty table
-//        Table<String, Integer> table = new Table<String, Integer>();
-//        // When we try and get an item then it returns null
-//        Assert.assertEquals(table.get("foo"), null);
-//    }
-//
-//    @Test
-//    public void testPutAnItemReturnsAndDoesNotDelete() throws Exception {
-//        //Given an empty table
-//        Table<String, Integer> table = new Table<String, Integer>();
-//        // When we put an item in it
-//        table.put("foo", 1);
-//        // Then we should be able to get it's value
-//        Assert.assertEquals(table.get("foo"), new Integer(1));
-//        // And then we should be able to get it again as it wasn't removed
-//        Assert.assertEquals(table.get("foo"), new Integer(1));
-//    }
-//
-//    @Test
-//    public void testOverwritingAnItem() throws Exception {
-//        //Given an empty table
-//        Table<String, Integer> table = new Table<String, Integer>();
-//        // When we put an item in it
-//        table.put("foo", 1);
-//        // And we put a new value with the same key
-//        table.put("foo", 2);
-//        // Then we should get back the new value
-//        Assert.assertEquals(table.get("foo"), new Integer(2));
-//    }
-//
-//    @Test
-//    public void testRemoveAnItem() throws Exception {
-//        //Given an empty table
-//        Table<String, Integer> table = new Table<String, Integer>();
-//        // When we put an item in it
-//        table.put("foo", 1);
-//        // And we remove that item
-//        table.remove("foo");
-//        // Then we should get back null for that balue
-//        Assert.assertEquals(table.get("foo"), null);
-//    }
-//}
+package Table;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class TableTest {
+    @Test
+    public void testGetWithoutAnItemReturnsNull() throws Exception {
+        // Given an empty table
+        Table<String, Integer> table = new Table<String, Integer>();
+        // When we try and get an item then it returns null
+        Assert.assertEquals(table.get("foo"), null);
+    }
+
+    @Test
+    public void testPutAnItemReturnsAndDoesNotDelete() throws Exception {
+        //Given an empty table
+        Table<String, Integer> table = new Table<String, Integer>();
+        // When we put an item in it
+        table.put("foo", 1);
+        // Then we should be able to get it's value
+        Assert.assertEquals(table.get("foo"), new Integer(1));
+        // And then we should be able to get it again as it wasn't removed
+        Assert.assertEquals(table.get("foo"), new Integer(1));
+    }
+
+    @Test
+    public void testOverwritingAnItem() throws Exception {
+        //Given an empty table
+        Table<String, Integer> table = new Table<String, Integer>();
+        // When we put an item in it
+        table.put("foo", 1);
+        // And we put a new value with the same key
+        table.put("foo", 2);
+        // Then we should get back the new value
+        Assert.assertEquals(table.get("foo"), new Integer(2));
+    }
+
+    @Test
+    public void testRemoveAnItem() throws Exception {
+        //Given an empty table
+        Table<String, Integer> table = new Table<String, Integer>();
+        // When we put an item in it
+        table.put("foo", 1);
+        // And we remove that item
+        table.remove("foo");
+        // Then we should get back null for that balue
+        Assert.assertEquals(table.get("foo"), null);
+    }
+}