编写一个Java程序，实现一个具有学生成绩管理系统的单链表 1）设计单链表 2） 能够完成学生成绩管理系统简单功能。 3） 学生属性包括：姓名，学号，班级，性别。 4） 学生成绩包括：语文，数学，英语，计算机基础，数据结构。 5） 成绩管理系统管理功能： a）能够输出显示任意一个学生的各科成绩，平均成绩，不及格成绩列表。 b） 能够计算全班各科平均成绩，各科不及格学生名单列表。 c）全班学生成绩总表。

以下是一个简单的Java程序，实现了一个具有学生成绩管理系统的单链表，包含上述要求的功能：

import java.util.Scanner;

class Student {
    String name;
    int id;
    String className;
    String gender;
    int chinese;
    int math;
    int english;
    int computer;
    int dataStructure;

    public Student(String name, int id, String className, String gender, int chinese, int math, int english, int computer, int dataStructure) {
        this.name = name;
        this.id = id;
        this.className = className;
        this.gender = gender;
        this.chinese = chinese;
        this.math = math;
        this.english = english;
        this.computer = computer;
        this.dataStructure = dataStructure;
    }

    public void display() {
        System.out.println("Name: " + name + "\nID: " + id + "\nClass: " + className + "\nGender: " + gender);
        System.out.println("Chinese: " + chinese + "\nMath: " + math + "\nEnglish: " + english + "\nComputer: " + computer + "\nData Structure: " + dataStructure);
    }

    public int totalScore() {
        return chinese + math + english + computer + dataStructure;
    }

    public double averageScore() {
        return (double) totalScore() / 5;
    }

    public boolean isFailed() {
        return chinese < 60 || math < 60 || english < 60 || computer < 60 || dataStructure < 60;
    }
}

class Node {
    Student student;
    Node next;

    public Node(Student student) {
        this.student = student;
        this.next = null;
    }
}

class LinkedList {
    Node head;

    public LinkedList() {
        head = null;
    }

    public void add(Student student) {
        Node node = new Node(student);
        if (head == null) {
            head = node;
        } else {
            Node temp = head;
            while (temp.next != null) {
                temp = temp.next;
            }
            temp.next = node;
        }
    }

    public void display() {
        Node temp = head;
        while (temp != null) {
            temp.student.display();
            temp = temp.next;
        }
    }

    public void displayStudentById(int id) {
        Node temp = head;
        while (temp != null) {
            if (temp.student.id == id) {
                temp.student.display();
                break;
            }
            temp = temp.next;
        }
    }

    public void displayFailedStudents() {
        Node temp = head;
        while (temp != null) {
            if (temp.student.isFailed()) {
                System.out.println(temp.student.name);
            }
            temp = temp.next;
        }
    }

    public void displayAverageScore() {
        int chineseTotal = 0;
        int mathTotal = 0;
        int englishTotal = 0;
        int computerTotal = 0;
        int dataStructureTotal = 0;
        int count = 0;

        Node temp = head;
        while (temp != null) {
            chineseTotal += temp.student.chinese;
            mathTotal += temp.student.math;
            englishTotal += temp.student.english;
            computerTotal += temp.student.computer;
            dataStructureTotal += temp.student.dataStructure;
            count++;
            temp = temp.next;
        }

        System.out.println("Chinese average score: " + (double) chineseTotal / count);
        System.out.println("Math average score: " + (double) mathTotal / count);
        System.out.println("English average score: " + (double) englishTotal / count);
        System.out.println("Computer average score: " + (double) computerTotal / count);
        System.out.println("Data Structure average score: " + (double) dataStructureTotal / count);
    }

    public void displayFailedStudentsBySubject(String subject) {
        Node temp = head;
        while (temp != null) {
            switch (subject.toLowerCase()) {
                case "chinese":
                    if (temp.student.chinese < 60) {
                        System.out.println(temp.student.name);
                    }
                    break;
                case "math":
                    if (temp.student.math < 60) {
                        System.out.println(temp.student.name);
                    }
                    break;
                case "english":
                    if (temp.student.english < 60) {
                        System.out.println(temp.student.name);
                    }
                    break;
                case "computer":
                    if (temp.student.computer < 60) {
                        System.out.println(temp.student.name);
                    }
                    break;
                case "data structure":
                    if (temp.student.dataStructure < 60) {
                        System.out.println(temp.student.name);
                    }
                    break;
                default:
                    System.out.println("Invalid subject!");
                    return;
            }
            temp = temp.next;
        }
    }

    public void displayTotalScore() {
        Node temp = head;
        while (temp != null) {
            temp.student.display();
            System.out.println("Total Score: " + temp.student.totalScore());
            System.out.println();
            temp = temp.next;
        }
    }
}

public class Main {
    public static void main(String[] args) {
        LinkedList list = new LinkedList();

        Student student1 = new Student("John", 1, "Class 1", "Male", 85, 90, 80, 70, 75);
        Student student2 = new Student("Mary", 2, "Class 1", "Female", 75, 80, 90, 85, 80);
        Student student3 = new Student("Tom", 3, "Class 2", "Male", 65, 70, 75, 80, 85);
        Student student4 = new Student("Jane", 4, "Class 2", "Female", 90, 85, 75, 80, 70);
        Student student5 = new Student("Bob", 5, "Class 3", "Male", 70, 75, 80, 85, 90);
        Student student6 = new Student("Alice", 6, "Class 3", "Female", 80, 70, 75, 90, 85);

        list.add(student1);
        list.add(student2);
        list.add(student3);
        list.add(student4);
        list.add(student5);
        list.add(student6);

        Scanner scanner = new Scanner(System.in);

        while (true) {
            System.out.println("1. Display all students");
            System.out.println("2. Display student by ID");
            System.out.println("3. Display failed students");
            System.out.println("4. Display average score by subject");
            System.out.println("5. Display failed students by subject");
            System.out.println("6. Display total score for all students");
            System.out.println("7. Quit");
            System.out.print("Enter your choice: ");

            int choice = scanner.nextInt();

            switch (choice) {
                case 1:
                    list.display();
                    break;
                case 2:
                    System.out.print("Enter student ID: ");
                    int id = scanner.nextInt();
                    list.displayStudentById(id);
                    break;
                case 3:
                    list.displayFailedStudents();
                    break;
                case 4:
                    System.out.println("Chinese");
                    System.out.println("Math");
                    System.out.println("English");
                    System.out.println("Computer");
                    System.out.println("Data Structure");
                    System.out.print("Enter subject: ");
                    String subject = scanner.next();
                    list.displayAverageScore(subject);
                    break;
                case 5:
                    System.out.println("Chinese");
                    System.out.println("Math");
                    System.out.println("English");
                    System.out.println("Computer");
                    System.out.println("Data Structure");
                    System.out.print("Enter subject: ");
                    subject = scanner.next();
                    list.displayFailedStudentsBySubject(subject);
                    break;
                case 6:
                    list.displayTotalScore();
                    break;
                case 7:
                    return;
                default:
                    System.out.println("Invalid choice!");
                    break;
            }
        }
    }
}

运行程序后，可以根据提示输入相应的选项，进行学生成绩管理系统的功能操作。