April Rivera 6 anni fa
parent
commit
9ecee3b088

+ 9
- 0
src/main/java/ArrayListCombiner/ArrayListCombiner.java Vedi File

@@ -10,4 +10,13 @@ import java.util.ArrayList;
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  */
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 public class ArrayListCombiner {
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+
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+
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+    public void superCombiner(){
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+
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+    }
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+    public void extendCombiner(){
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+
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+    }
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+
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 }

+ 1
- 0
src/main/java/Swap/Swap.java Vedi File

@@ -4,6 +4,7 @@ package Swap;
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  * Keep this.  Just make it so the tests pass.
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  */
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 public class Swap {
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+
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     public static <T> T[] swap(int i, int j, T... values) {
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         T temp = values[i];
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         values[i] = values[j];

+ 25
- 7
src/main/java/Table/Table.java Vedi File

@@ -10,22 +10,40 @@ import java.util.ArrayList;
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  * Void return on `remove`.
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  */
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 public class Table<K, V> {
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-    private ArrayList entries;
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-    private Entry<K, V> entry;
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+    private ArrayList<Entry> entries;
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+
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     public Table() {
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+        this.entries = new ArrayList();
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+
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     }
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     public V get(K key){
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-        if(entry.getKey() != null){
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-            return entry.getValue();
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+        for(Entry e : entries){
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+            if(e.getKey().equals(key)){
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+                return (V) e.getValue();
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             }
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-            return null;
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         }
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+        return null;
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+    }
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     public void put(K key, V value){
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-
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+        int numberOfEntries = 0;
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+        for(Entry e : entries){
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+            if(e.getKey().equals(key)){
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+                entries.set(numberOfEntries, new Entry(key, value));
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+            }
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+            numberOfEntries++;
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+        }
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+        entries.add(new Entry(key, value));
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     }
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-    public void remove(K key){
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+
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+
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+    public void remove(K key){
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+        for(int i = 0; i < entries.size(); i++){
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+            if(entries.get(i).getKey().equals(key)){
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+                entries.remove(i);
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+            }
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+        }
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     }
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 }

+ 40
- 1
src/main/java/TableNested/TableNested.java Vedi File

@@ -8,4 +8,43 @@ import java.util.ArrayList;
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  */
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 public class TableNested<K, V> {
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-}
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+
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+        private ArrayList<Table.Entry> entries;
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+
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+
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+        public TableNested() {
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+            this.entries = new ArrayList();
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+
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+        }
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+        public V get(K key){
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+            for(Table.Entry e : entries){
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+                if(e.getKey().equals(key)){
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+                    return (V) e.getValue();
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+                }
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+            }
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+            return null;
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+        }
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+
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+        public void put(K key, V value){
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+            int numberOfEntries = 0;
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+            for(Table.Entry e : entries){
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+                if(e.getKey().equals(key)){
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+                    entries.set(numberOfEntries, new Table.Entry(key, value));
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+                }
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+                numberOfEntries++;
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+            }
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+            entries.add(new Table.Entry(key, value));
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+        }
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+
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+
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+
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+        public void remove(K key){
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+            for(int i = 0; i < entries.size(); i++){
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+                if(entries.get(i).getKey().equals(key)){
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+                    entries.remove(i);
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+                }
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+            }
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+        }
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+    }
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+
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+

+ 35
- 35
src/test/java/ArrayListCombiner/ArrayListCombinerTest.java Vedi File

@@ -9,40 +9,40 @@ import org.junit.Assert;
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 import java.util.ArrayList;
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 public class ArrayListCombinerTest {
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-//    Employee foo = new Employee("FOO", 100);
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-//    Manager bar = new Manager("BAR", 100);
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-//    @Test
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-//    public void testExtendCombiner() throws Exception {
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-//        // Given an array list with employees
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-//        ArrayList<Employee> first = new ArrayList<>();
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-//        first.add(foo);
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-//        // An an array list with managers
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-//        ArrayList<Manager> second = new ArrayList<>();
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-//        second.add(bar);
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-//        // When  I combine them
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-//        ArrayListCombiner.extendCombiner(first, second);
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-//        // Then I should get an arrayList with both
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-//        ArrayList<Employee> expected = new ArrayList<>();
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-//        expected.add(foo);
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-//        expected.add(bar);
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-//        Assert.assertEquals(expected, first);
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-//    }
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-//
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-//    @Test
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-//    public void testSuperCombiner() throws Exception {
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-//        // Given an array list with employees
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-//        ArrayList<Employee> first = new ArrayList<>();
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-//        first.add(foo);
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-//        // An an array list with managers
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-//        ArrayList<Manager> second = new ArrayList<>();
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-//        second.add(bar);
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-//        // When  I combine them
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-//        ArrayListCombiner.superCombiner(first, second);
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-//        // Then I should get an arrayList with both
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-//        ArrayList<Employee> expected = new ArrayList<>();
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-//        expected.add(foo);
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-//        expected.add(bar);
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-//        Assert.assertEquals(expected, first);
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-//    }
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+    Employee foo = new Employee("FOO", 100);
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+    Manager bar = new Manager("BAR", 100);
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+    @Test
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+    public void testExtendCombiner() throws Exception {
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+        // Given an array list with employees
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+        ArrayList<Employee> first = new ArrayList<>();
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+        first.add(foo);
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+        // An an array list with managers
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+        ArrayList<Manager> second = new ArrayList<>();
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+        second.add(bar);
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+        // When  I combine them
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+        ArrayListCombiner.extendCombiner(first, second);
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+        // Then I should get an arrayList with both
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+        ArrayList<Employee> expected = new ArrayList<>();
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+        expected.add(foo);
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+        expected.add(bar);
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+        Assert.assertEquals(expected, first);
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+    }
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+
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+    @Test
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+    public void testSuperCombiner() throws Exception {
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+        // Given an array list with employees
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+        ArrayList<Employee> first = new ArrayList<>();
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+        first.add(foo);
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+        // An an array list with managers
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+        ArrayList<Manager> second = new ArrayList<>();
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+        second.add(bar);
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+        // When  I combine them
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+        ArrayListCombiner.superCombiner(first, second);
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+        // Then I should get an arrayList with both
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+        ArrayList<Employee> expected = new ArrayList<>();
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+        expected.add(foo);
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+        expected.add(bar);
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+        Assert.assertEquals(expected, first);
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+    }
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 }

+ 15
- 15
src/test/java/Swap/SwapTest.java Vedi File

@@ -1,16 +1,16 @@
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 package Swap;
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-//
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-//import org.junit.Assert;
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-//import org.junit.Test;
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-//
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-///**
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-// * Get the tests passing.
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-// */
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-//public class SwapTest {
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-//    @Test
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-//    public void testSwap() throws Exception {
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-//        Double[] result = Swap.swap(0,1, 1.5, 2,3);
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-//        Double[] expected = {2.0, 1.5, 3.0};
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-//        Assert.assertArrayEquals(expected, result);
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-//    }
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-//}
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+
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+import org.junit.Assert;
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+        import org.junit.Test;
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+
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+/**
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+ * Get the tests passing.
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+ */
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+public class SwapTest {
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+    @Test
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+    public void testSwap() throws Exception {
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+        Integer[] result = Swap.swap(0,1, 15, 2, 3);
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+        Integer[] expected = {2, 15, 3};
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+        Assert.assertArrayEquals(expected, result);
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+    }
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+}

+ 2
- 2
src/test/java/Table/TableTest.java Vedi File

@@ -44,7 +44,7 @@ public class TableTest {
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         table.put("foo", 1);
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         // And we remove that item
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         table.remove("foo");
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-        // Then we should get back null for that balue
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+        // Then we should get back null for that value
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         Assert.assertEquals(table.get("foo"), null);
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     }
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-}
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+}

+ 50
- 50
src/test/java/TableNested/TableNestedTest.java Vedi File

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