java8 stream操作：从集合中获取符合条件的元素

java8stream操作：从集合中获取符合条件的元素

    List<Student> students = new ArrayList<>();         students.add(new Student(1,"张三",90));         students.add(new Student(2,"李四",60));         students.add(new Student(3,"王五",30));         students.add(new Student(4,"赵六",85));         int studentId = 3;         Student student = students.stream().filter(o -> o.getId() == studentId).findAny().orElse(null);     List<Student> stud