Luis Romero преди 6 години
родител
ревизия
95758a3fe2
променени са 2 файла, в които са добавени 86 реда и са изтрити 51 реда
  1. 36
    1
      src/main/java/Table/Table.java
  2. 50
    50
      src/test/java/Table/TableTest.java

+ 36
- 1
src/main/java/Table/Table.java Целия файл

@@ -1,6 +1,7 @@
1 1
 package Table;
2 2
 
3 3
 import java.util.ArrayList;
4
+import java.security.Key;
4 5
 
5 6
 /**
6 7
  * This class needs to manage an ArrayList of Entry objects.  It needs a get method that takes a key and returns
@@ -10,8 +11,42 @@ import java.util.ArrayList;
10 11
  * Void return on `remove`.
11 12
  */
12 13
 public class Table<K, V> {
13
-    private ArrayList entries;
14
+    private ArrayList<Entry> entries;
14 15
 
15 16
     public Table() {
17
+        this.entries = new ArrayList<>();
16 18
     }
19
+
20
+    public void put(K key, V value) {
21
+        for (Entry entry : this.entries) {
22
+            if (entry.getKey().equals(key)) {
23
+                entries.set(entries.indexOf(entry), new Entry<>(key, value));
24
+                return;
25
+            }
26
+        }
27
+        entries.add(new Entry<>(key, value));
28
+    }
29
+
30
+    public Object get(K key) {
31
+        for (Entry entry : this.entries) {
32
+            if (entry.getKey().equals(key)) {
33
+                return entry.getValue();
34
+            }
35
+        }
36
+        return null;
37
+    }
38
+
39
+    public void remove(K key) {
40
+//        for (Entry entry : this.entries) {
41
+//            if (entry.getKey().equals(key)) {
42
+//                this.entries.remove(entry);
43
+//            }
44
+//        }
45
+        for (int i = 0; i < this.entries.size(); i++) {
46
+            if (this.entries.get(i).getKey().equals(key)) {
47
+                this.entries.remove(i);
48
+            }
49
+        }
50
+    }
51
+
17 52
 }

+ 50
- 50
src/test/java/Table/TableTest.java Целия файл

@@ -1,50 +1,50 @@
1
-//package Table;
2
-//
3
-//import org.junit.Assert;
4
-//import org.junit.Test;
5
-//
6
-//public class TableTest {
7
-//    @Test
8
-//    public void testGetWithoutAnItemReturnsNull() throws Exception {
9
-//        // Given an empty table
10
-//        Table<String, Integer> table = new Table<String, Integer>();
11
-//        // When we try and get an item then it returns null
12
-//        Assert.assertEquals(table.get("foo"), null);
13
-//    }
14
-//
15
-//    @Test
16
-//    public void testPutAnItemReturnsAndDoesNotDelete() throws Exception {
17
-//        //Given an empty table
18
-//        Table<String, Integer> table = new Table<String, Integer>();
19
-//        // When we put an item in it
20
-//        table.put("foo", 1);
21
-//        // Then we should be able to get it's value
22
-//        Assert.assertEquals(table.get("foo"), new Integer(1));
23
-//        // And then we should be able to get it again as it wasn't removed
24
-//        Assert.assertEquals(table.get("foo"), new Integer(1));
25
-//    }
26
-//
27
-//    @Test
28
-//    public void testOverwritingAnItem() throws Exception {
29
-//        //Given an empty table
30
-//        Table<String, Integer> table = new Table<String, Integer>();
31
-//        // When we put an item in it
32
-//        table.put("foo", 1);
33
-//        // And we put a new value with the same key
34
-//        table.put("foo", 2);
35
-//        // Then we should get back the new value
36
-//        Assert.assertEquals(table.get("foo"), new Integer(2));
37
-//    }
38
-//
39
-//    @Test
40
-//    public void testRemoveAnItem() throws Exception {
41
-//        //Given an empty table
42
-//        Table<String, Integer> table = new Table<String, Integer>();
43
-//        // When we put an item in it
44
-//        table.put("foo", 1);
45
-//        // And we remove that item
46
-//        table.remove("foo");
47
-//        // Then we should get back null for that balue
48
-//        Assert.assertEquals(table.get("foo"), null);
49
-//    }
50
-//}
1
+package Table;
2
+
3
+import org.junit.Assert;
4
+import org.junit.Test;
5
+
6
+public class TableTest {
7
+    @Test
8
+    public void testGetWithoutAnItemReturnsNull() throws Exception {
9
+        // Given an empty table
10
+        Table<String, Integer> table = new Table<String, Integer>();
11
+        // When we try and get an item then it returns null
12
+        Assert.assertEquals(table.get("foo"), null);
13
+    }
14
+
15
+    @Test
16
+    public void testPutAnItemReturnsAndDoesNotDelete() throws Exception {
17
+        //Given an empty table
18
+        Table<String, Integer> table = new Table<String, Integer>();
19
+        // When we put an item in it
20
+        table.put("foo", 1);
21
+        // Then we should be able to get it's value
22
+        Assert.assertEquals(table.get("foo"), new Integer(1));
23
+        // And then we should be able to get it again as it wasn't removed
24
+        Assert.assertEquals(table.get("foo"), new Integer(1));
25
+    }
26
+
27
+    @Test
28
+    public void testOverwritingAnItem() throws Exception {
29
+        //Given an empty table
30
+        Table<String, Integer> table = new Table<String, Integer>();
31
+        // When we put an item in it
32
+        table.put("foo", 1);
33
+        // And we put a new value with the same key
34
+        table.put("foo", 2);
35
+        // Then we should get back the new value
36
+        Assert.assertEquals(table.get("foo"), new Integer(2));
37
+    }
38
+
39
+    @Test
40
+    public void testRemoveAnItem() throws Exception {
41
+        //Given an empty table
42
+        Table<String, Integer> table = new Table<String, Integer>();
43
+        // When we put an item in it
44
+        table.put("foo", 1);
45
+        // And we remove that item
46
+        table.remove("foo");
47
+        // Then we should get back null for that balue
48
+        Assert.assertEquals(table.get("foo"), null);
49
+    }
50
+}