Problem 2

Student.java:

public class Student {
    private String name;
    private int rollNumber;
 
    public String studentDetails;
 
    public void setName(String name) {
        this.name = name;
    }
 
    public void setRollNumber(int rollNumber) {
        this.rollNumber = rollNumber;
    }
 
    public String getName() {
        return name;
    }
 
    public int getRollNumber() {
        return rollNumber;
    }
}

PrivateAccessDemo.java:

public class PrivateAccessDemo {
    public static void main(String[] args) {
        Student student = new Student();
 
        student.setName("Achu");
        student.setRollNumber(12345);
 
        System.out.println("Student Details: ");
        System.out.println("Name: " + student.getName());
        System.out.println("Roll Number: " + student.getRollNumber());
 
        // Uncommenting the following lines will give an error
        // System.out.println("Name: " + student.name); // Error: name has private access in Student
        // System.out.println("Roll Number: " + student.rollNumber); // Error: rollNumber has private access in Student
    }
}