feat: update structure

cs2030s/labs/PE2/plab0124/Test5.java

@@ -0,0 +1,56 @@
+import java.util.stream.Collectors;
+import java.util.List;
+
+class Test5 {
+  public static void main(String[] args) {
+    CS2030STest i = new CS2030STest();
+
+    i.expectReturn("Streaming.isPerfect(4)",
+        () -> Streaming.isPerfect(4),
+        false);
+
+    i.expectReturn("Streaming.isPerfect(5)",
+        () -> Streaming.isPerfect(5),
+        false);
+
+    i.expectReturn("Streaming.isPerfect(6)",
+        () -> Streaming.isPerfect(6),
+        true);
+
+    i.expectReturn("Streaming.isPerfect(7)",
+        () -> Streaming.isPerfect(7),
+        false);
+
+    i.expectReturn("Streaming.isPerfect(8)",
+        () -> Streaming.isPerfect(8),
+        false);
+
+    i.expectReturn("Streaming.isPerfect(26)",
+        () -> Streaming.isPerfect(26),
+        false);
+
+    i.expectReturn("Streaming.isPerfect(27)",
+        () -> Streaming.isPerfect(27),
+        false);
+
+    i.expectReturn("Streaming.isPerfect(28)",
+        () -> Streaming.isPerfect(28),
+        true);
+
+    i.expectReturn("Streaming.isPerfect(29)",
+        () -> Streaming.isPerfect(29),
+        false);
+
+    i.expectReturn("Streaming.isPerfect(30)",
+        () -> Streaming.isPerfect(30),
+        false);
+
+    i.expectReturn("Streaming.allPerfect(1, 10)",
+        () -> Streaming.allPerfect(1, 10),
+        List.of(6));
+
+    i.expectReturn("Streaming.allPerfect(1, 100)",
+        () -> Streaming.allPerfect(1, 100),
+        List.of(6, 28));
+  }
+}