TestEncapsulation.java

public class TestEncapsulation {
    public static void main(String[] args) {
        Encapsulate obj = new Encapsulate();
        
        // Setting values of the variables
        obj.setName("Harsh");
        obj.setAge(19);
        obj.setRoll(51);
        
        // Displaying values of the variables
        System.out.println("Geek's name: " + obj.getName());
        System.out.println("Geek's age: " + obj.getAge());
        System.out.println("Geek's roll: " + obj.getRoll());
        
        // Direct access of geekRoll is not possible
        // due to encapsulation
        // System.out.println("Geek's roll: " + obj.geekName);
    }
}

class Encapsulate {
    // Private variables
    private String name;
    private int age;
    private int roll;

    // Getter and Setter methods
    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    public int getRoll() {
        return roll;
    }

    public void setRoll(int roll) {
        this.roll = roll;
    }
}