java/w2/Main.java

public class Main {
    public static void main(String[] args) {
        Student s1 = new Student("2021001", "Alice", 85.5);
        Student s2 = new Student("2021002", "Bob", 92.0);
        double score1 = s1.study();
        double score2 = s2.study();
        System.out.println(s1.name + " scored: " + score1);
        System.out.println(s2.name + " scored: " + score2);
    }

}

class Student {
    public String studentId;
    public String name;
    public double score;

    public Student(String studentId, String name, double score) {
        this.studentId = studentId;
        this.name = name;
        this.score = score;
    }

    public double study() {
        return this.score;
    }
}