把test.java救回来了

实验7/src/task1/test.java

@@ -0,0 +1,12 @@
+//test.java
+package task1;
+
+import java.util.ArrayList;
+
+public class test {
+    public static void main(String[] args) {
+        HelloCollections h1 = new HelloCollections();
+        ArrayList a1 = h1.run();
+        System.out.println(a1);
+    }
+}