week 4 fix change file name

junit/beforeAfter/testcase/TestBeforeAfter.java

@@ -0,0 +1,34 @@
+import org.junit.Test;
+import org.junit.*; // before after ...
+
+public class TestBeforeAfter {
+    @BeforeClass
+    public static void beforeClass() {
+        System.out.println("Before class");
+    }
+
+    @Before
+    public void before() {
+        System.out.println("Before");
+    }
+
+    @After
+    public void after() {
+        System.out.println("After");
+    }
+
+    @AfterClass
+    public static void afterClass() {
+        System.out.println("After class");
+    }
+
+    @Test
+    public void Case1() {
+        System.out.println("Test case 1");
+    }
+
+    @Test
+    public void Case2() {
+        System.out.println("Test case 2");
+    }
+}