java/Student.java

// Student.java
public class Student {
    // 成员属性
    private int studentId;
    private String name;
    private double score;

    // 构造方法（用于创建对象时给属性赋值）
    public Student(int studentId, String name, double score) {
        this.studentId = studentId;
        this.name = name;
        this.score = score;
    }

    // study() 方法
    public void study() {
        System.out.println(name + "（学号：" + studentId + "）正在学习，当前成绩：" + score);
    }

    // 可选：getter/setter 方法（用于访问/修改私有属性）
    public int getStudentId() {
        return studentId;
    }

    public String getName() {
        return name;
    }

    public double getScore() {
        return score;
    }
}