Course[] courses={new Course("1", "软件开发"),new Course("2", "大学美术")};
??? .addAll(Arrays.asList(courses));
Course[] courses={new Course("1", "软件开发"),new Course("2", "大学美术")};
数组序列名 .addAll(Arrays.asList(courses));
Course[] courses={new Course("1", "软件开发"),new Course("2", "大学美术")}; courses.addAll(courses);