Code Snippets-based MCQs

Class Definitions

Table of contents

Easy Level MCQs
Slightly harder MCQs
Tricky MCQs

Easy Level MCQs: Class and Object Basics

Q: What is the output of the following code?

 class Car {
     String model;
 }
 public class Main {
     public static void main(String[] args) {
         Car c = new Car();
         System.out.println(c.model);
     }
 }

a) null
b) “ “ (empty string)
c) Error: model is private
d) Error: model is not initialized

Answer: a) null

Q: What does the following code print?

 class Person {
     int age;
 }
 public class Main {
     public static void main(String[] args) {
         Person p = new Person();
         System.out.println(p.age);
     }
 }

a) 0
b) null
c) Error: age is private
d) Error: age is not initialized

Answer: a) 0

Q: What will be the output of the following code?

 class Book {
     String title;
     public static void main(String[] args) {
         Book b = new Book();
         System.out.println(b.title);
     }
 }

a) null
b) Error: title is private
c) Error: title is not initialized
d) “ “ (empty string)

Answer: a) null

Q: What is the value of speed after the following code is executed?

 class Bike {
     int speed;
 }
 public class Main {
     public static void main(String[] args) {
         Bike b = new Bike();
         System.out.println(b.speed);
     }
 }

a) 0
b) null
c) Error: speed is private
d) Error: speed is not initialized

Answer: a) 0

Easy Level MCQs: Constructors and Default Values

Q: What does the following code print?

 class Pen {
     String color;
 }
 public class Main {
     public static void main(String[] args) {
         Pen p = new Pen();
         System.out.println(p.color);
     }
 }

a) null
b) “ “ (empty string)
c) Error: color is private
d) Error: color is not initialized

Answer: a) null

Q: What is the output of the following code snippet?

 class Dog {
     String name;
 }
 public class Main {
     public static void main(String[] args) {
         Dog d = new Dog();
         System.out.println(d.name);
     }
 }

a) null
b) “ “ (empty string)
c) Error: name is private
d) Error: name is not initialized

Answer: a) null

Q: What does the following code print?

 class Tree {
     int height;
 }
 public class Main {
     public static void main(String[] args) {
         Tree t = new Tree();
         System.out.println(t.height);
     }
 }

a) 0
b) null
c) Error: height is private
d) Error: height is not initialized

Answer: a) 0

Q: What will be the value of price after executing the following code?

 class Product {
     double price;
 }
 public class Main {
     public static void main(String[] args) {
         Product p = new Product();
         System.out.println(p.price);
     }
 }

a) 0.0
b) null
c) Error: price is private
d) Error: price is not initialized

Answer: a) 0.0

Easy Level MCQs: Constructors and Method Calls

Q: What does the following code print?

 class Laptop {
     String brand = "Dell";
 }
 public class Main {
     public static void main(String[] args) {
         Laptop l = new Laptop();
         System.out.println(l.brand);
     }
 }

a) null
b) Dell
c) Error: brand is private
d) Error: brand is not initialized

Answer: b) Dell

Q: What is the value of name after the following code is executed?

class Student {
    String name;
    Student() {
        name = "John";
    }
}
public class Main {
    public static void main(String[] args) {
        Student s = new Student();
        System.out.println(s.name);
    }
}

a) null
b) John
c) Error: name is private
d) Error: no constructor defined

Answer: b) John

Q: What does the following code print?

class Mobile {
    String model = "iPhone";
}
public class Main {
    public static void main(String[] args) {
        Mobile m = new Mobile();
        System.out.println(m.model);
    }
}

a) null
b) iPhone
c) Error: model is private
d) Error: model is not initialized

Answer: b) iPhone

Q: What is the value of type after executing the following code?

class Fruit {
    String type;
    Fruit() {
        type = "Apple";
    }
}
public class Main {
    public static void main(String[] args) {
        Fruit f = new Fruit();
        System.out.println(f.type);
    }
}

a) null
b) Apple
c) Error: type is private
d) Error: no constructor defined

Answer: b) Apple

Easy Level MCQs: Default Values and Object Fields

Q: What is the output of the following code?

class Camera {
    String brand;
}
public class Main {
    public static void main(String[] args) {
        Camera c = new Camera();
        System.out.println(c.brand);
    }
}

a) null
b) Error: brand is private
c) Error: brand is not initialized
d) “ “ (empty string)

Answer: a) null

Q: What does the following code print?

class House {
    int rooms;
}
public class Main {
    public static void main(String[] args) {
        House h = new House();
        System.out.println(h.rooms);
    }
}

a) 0
b) null
c) Error: rooms is private
d) Error: rooms is not initialized

Answer: a) 0

Q: What is the value of pages after the following code is executed?

class Notebook {
    int pages;
}
public class Main {
    public static void main(String[] args) {
        Notebook n = new Notebook();
        System.out.println(n.pages);
    }
}

a) 0
b) null
c) Error: pages is private
d) Error: pages is not initialized

Answer: a) 0

Q: What is the output of the following code snippet?

class Television {
    String brand = "Sony";
    public String toString() {
        return "Television brand: " + brand;
    }
}
public class Main {
    public static void main(String[] args) {
        Television tv = new Television();
        System.out.println(tv);
    }
}

a) null
b) Television brand: Sony
c) Error: brand has private access
d) Error: toString() is not defined

Answer: b) Television brand: Sony

Easy Level MCQs: Fields with Different Data Types

Q: What does the following code print?

class Test {
    int num;
    String text = "Hello";
}
public class Main {
    public static void main(String[] args) {
        Test t = new Test();
        System.out.println(t.num + " " + t.text);
    }
}

a) 0 null
b) 0 Hello
c) Error: num and text are private
d) Error: Test class has no constructor

Answer: b) 0 Hello

Q: What is the output of the following code?

class Item {
    double price = 9.99;
}
public class Main {
    public static void main(String[] args) {
        Item i = new Item();
        System.out.println(i.price);
    }
}

a) 0.0
b) 9.99
c) Error: price is private
d) Error: price is not initialized

Answer: b) 9.99

Q: What does the following code print?

class Movie {
    String title = "Inception";
}
public class Main {
    public static void main(String[] args) {
        Movie m = new Movie();
        System.out.println(m.title);
    }
}

a) null
b) Inception
c) Error: title is private
d) Error: title is not initialized

Answer: b) Inception

Q: What is the output of the following code snippet?

class Pen {
    String color = "Blue";
    public String toString() {
        return "Pen color: " + color;
    }
}
public class Main {
    public static void main(String[] args) {
        Pen p = new Pen();
        System.out.println(p);
    }
}

a) null
b) Pen color: Blue
c) Error: color is private
d) Error: toString() is not defined

Answer: b) Pen color: Blue

Easy Level MCQs: Accessors (Getters) and Mutators (Setters)

Q: What does the following code print?

class Car {
    private String model;
    public String getModel() {
        return model;
    }        
    public void setModel(String model) {
        this.model = model;
    }
}
public class Main {
    public static void main(String[] args) {
        Car c = new Car();
        c.setModel("Tesla");
        System.out.println(c.getModel());
    }
}

a) null
b) Tesla
c) Error: model is private
d) Error: model is not initialized

Answer: b) Tesla

Q: What is the output of the following code?

class Person {
    private int age;        
    public int getAge() {
        return age;
    }        
    public void setAge(int age) {
        this.age = age;
    }
}
public class Main {
    public static void main(String[] args) {
        Person p = new Person();
        p.setAge(25);
        System.out.println(p.getAge());
    }
}

a) 0
b) 25
c) Error: age is private
d) Error: setAge method is missing

Answer: b) 25

Q: What will the following code print?

class Book {
    private String title;        
    public String getTitle() {
        return title;
    }        
    public void setTitle(String title) {
        this.title = title;
    }
}
public class Main {
    public static void main(String[] args) {
        Book b = new Book();
        b.setTitle("Java Programming");
        System.out.println(b.getTitle());
    }
}

a) null
b) Java Programming
c) Error: title is private
d) Error: getTitle method is missing

Answer: b) Java Programming

Q: What is the value of name after executing the following code?

class Student {
    private String name;        
    public String getName() {
        return name;
    }        
    public void setName(String name) {
        this.name = name;
    }
}
public class Main {
    public static void main(String[] args) {
        Student s = new Student();
        s.setName("Alice");
        System.out.println(s.getName());
    }
}

a) null
b) Alice
c) Error: name is private
d) Error: setName method is missing

Answer: b) Alice

Q: What will be the output of the following code?

class Laptop {
    private String brand;        
    public String getBrand() {
        return brand;
    }        
    public void setBrand(String brand) {
        this.brand = brand;
    }
}
public class Main {
    public static void main(String[] args) {
        Laptop l = new Laptop();
        l.setBrand("HP");
        System.out.println(l.getBrand());
    }
}

a) null
b) HP
c) Error: brand is private
d) Error: setBrand method is missing

Answer: b) HP

Q: What does the following code print?

class Movie {
    private String title;        
    public String getTitle() {
        return title;
    }        
    public void setTitle(String title) {
        this.title = title;
    }
}
public class Main {
    public static void main(String[] args) {
        Movie m = new Movie();
        m.setTitle("The Matrix");
        System.out.println(m.getTitle());
    }
}

a) null
b) The Matrix
c) Error: title is private
d) Error: getTitle method is missing

Answer: b) The Matrix

Easy Level MCQs: toString() Method and Object Representation

Q: What is the output of the following code?

class Pen {
    String color = "Red";
        
    public String toString() {
        return "Pen color: " + color;
    }
}
public class Main {
    public static void main(String[] args) {
        Pen p = new Pen();
        System.out.println(p);
    }
}

a) null
b) Pen color: Red
c) Error: color is private
d) Error: toString method is missing

Answer: b) Pen color: Red

Q: What does the following code print?

class Laptop {
    String model = "MacBook";
        
    public String toString() {
        return "Laptop model: " + model;
    }
}
public class Main {
    public static void main(String[] args) {
        Laptop l = new Laptop();
        System.out.println(l);
    }
}

a) null
b) Laptop model: MacBook
c) Error: model is private
d) Error: toString method is missing

Answer: b) Laptop model: MacBook

Q: What will be the output of the following code?

class Person {
    String name = "John";
        
    public String toString() {
        return "Person name: " + name;
    }
}
public class Main {
    public static void main(String[] args) {
        Person p = new Person();
        System.out.println(p);
    }
}

a) null
b) Person name: John
c) Error: name is private
d) Error: toString method is missing

Answer: b) Person name: John

Q: What is the output of the following code?

class Tree {
    String type = "Oak";
        
    public String toString() {
        return "Tree type: " + type;
    }
}
public class Main {
    public static void main(String[] args) {
        Tree t = new Tree();
        System.out.println(t);
    }
}

a) null
b) Tree type: Oak
c) Error: type is private
d) Error: toString method is missing

Answer: b) Tree type: Oak

Slightly harder MCQs: Fields, Constructors, Methods

Q: What is the output of the following code?

 class Product {
     private String name;
     private double price;
        
     public Product(String name, double price) {
         this.name = name;
         this.price = price;
     }
        
     public String getName() {
         return name;
     }
        
     public double getPrice() {
         return price;
     }
        
     public String toString() {
         return name + ": $" + price;
     }
 }
 public class Main {
     public static void main(String[] args) {
         Product p = new Product("Laptop", 999.99);
         System.out.println(p.toString());
     }
 }

a) Laptop: $999.99
b) Laptop: $1000.00
c) Error: price is private
d) Error: name is private

Answer: a) Laptop: $999.99

Q: What will the following code print?

 class Vehicle {
     private String model;
     private int year;
        
     public Vehicle(String model, int year) {
         this.model = model;
         this.year = year;
     }
        
     public String getModel() {
         return model;
     }
        
     public int getYear() {
         return year;
     }
        
     public String toString() {
         return model + " (" + year + ")";
     }
 }
 public class Main {
     public static void main(String[] args) {
         Vehicle v = new Vehicle("Toyota", 2020);
         System.out.println(v);
     }
 }

a) Toyota (2020)
b) Error: model is private
c) Error: year is private
d) Error: toString method is missing

Answer: a) Toyota (2020)

Q: Consider the following code. What will it print?

 class Account {
     private String owner;
     private double balance;
        
     public Account(String owner, double balance) {
         this.owner = owner;
         this.balance = balance;
     }
        
     public String getOwner() {
         return owner;
     }
        
     public double getBalance() {
         return balance;
     }
        
     public void setBalance(double balance) {
         this.balance = balance;
     }
        
     public String toString() {
         return owner + "'s account has $" + balance;
     }
 }
 public class Main {
     public static void main(String[] args) {
         Account acc = new Account("John", 1000.0);
         acc.setBalance(1500.0);
         System.out.println(acc);
     }
 }

a) John’s account has $1000.0
b) John’s account has $1500.0
c) Error: balance is private
d) Error: setBalance method is missing

Answer: b) John’s account has $1500.0

Q: What is the output of the following code snippet?

 class Dog {
     private String breed;
     private int age;
        
     public Dog(String breed, int age) {
         this.breed = breed;
         this.age = age;
     }
        
     public String getBreed() {
         return breed;
     }
        
     public int getAge() {
         return age;
     }
        
     public void setAge(int age) {
         this.age = age;
     }
        
     public String toString() {
         return "Breed: " + breed + ", Age: " + age;
     }
 }
 public class Main {
     public static void main(String[] args) {
         Dog d = new Dog("Bulldog", 5);
         d.setAge(6);
         System.out.println(d);
     }
 }

a) Breed: Bulldog, Age: 5
b) Breed: Bulldog, Age: 6
c) Error: age is private
d) Error: setAge method is missing

Answer: b) Breed: Bulldog, Age: 6

Q: What will the following code output?

 class House {
     private String address;
     private double price;
        
     public House(String address, double price) {
         this.address = address;
         this.price = price;
     }
        
     public String getAddress() {
         return address;
     }
        
     public double getPrice() {
         return price;
     }
        
     public void setPrice(double price) {
         this.price = price;
     }
        
     public String toString() {
         return address + " is priced at $" + price;
     }
 }
 public class Main {
     public static void main(String[] args) {
         House h = new House("123 Elm St", 250000);
         h.setPrice(275000);
         System.out.println(h);
     }
 }

a) 123 Elm St is priced at $250000
b) 123 Elm St is priced at $275000
c) Error: price is private
d) Error: setPrice method is missing

Answer: b) 123 Elm St is priced at $275000

Fields: Private or Non-Private Fields (Data Types: All Primitive and Reference Types)

Q: What will the following code output?

 class Lamp {
     private String color;
     private boolean isOn;
        
     public Lamp(String color, boolean isOn) {
         this.color = color;
         this.isOn = isOn;
     }
        
     public String getColor() {
         return color;
     }
        
     public boolean isOn() {
         return isOn;
     }
 }
 public class Main {
     public static void main(String[] args) {
         Lamp l = new Lamp("White", true);
         System.out.println("Lamp color: " + l.getColor() + ", Is it on? " + l.isOn());
     }
 }

a) Lamp color: White, Is it on? true
b) Lamp color: White, Is it on? false
c) Error: isOn is private
d) Error: color is private

Answer: a) Lamp color: White, Is it on? true

Q: Consider the following code. What is the output?

 class Television {
     private String brand;
     private int size;
        
     public Television(String brand, int size) {
         this.brand = brand;
         this.size = size;
     }
        
     public String getBrand() {
         return brand;
     }
        
     public int getSize() {
         return size;
     }
 }
 public class Main {
     public static void main(String[] args) {
         Television tv = new Television("Samsung", 55);
         System.out.println(tv.getBrand() + " TV, Size: " + tv.getSize() + " inches");
     }
 }

a) Samsung TV, Size: 55 inches
b) Samsung TV, Size: 65 inches
c) Error: size is private
d) Error: brand is private

Answer: a) Samsung TV, Size: 55 inches

Q: What is the output of the following code?

 class Pen {
     private String color;
     private double tipSize;
        
     public Pen(String color, double tipSize) {
         this.color = color;
         this.tipSize = tipSize;
     }
        
     public String getColor() {
         return color;
     }
        
     public double getTipSize() {
         return tipSize;
     }
 }
 public class Main {
     public static void main(String[] args) {
         Pen p = new Pen("Blue", 0.7);
         System.out.println("Pen color: " + p.getColor() + ", Tip size: " + p.getTipSize());
     }
 }

a) Pen color: Blue, Tip size: 0.7
b) Pen color: Black, Tip size: 0.5
c) Error: tipSize is private
d) Error: color is private

Answer: a) Pen color: Blue, Tip size: 0.7

Q: Consider the following code. What will it print?

 class Chair {
     private String material;
     private boolean isFoldable;
        
     public Chair(String material, boolean isFoldable) {
         this.material = material;
         this.isFoldable = isFoldable;
     }
        
     public String getMaterial() {
         return material;
     }
        
     public boolean isFoldable() {
         return isFoldable;
     }
 }
 public class Main {
     public static void main(String[] args) {
         Chair c = new Chair("Wood", true);
         System.out.println(c.getMaterial() + " chair is foldable: " + c.isFoldable());
     }
 }

a) Wood chair is foldable: true
b) Plastic chair is foldable: true
c) Wood chair is foldable: false
d) Error: isFoldable is private

Answer: a) Wood chair is foldable: true

Q: What is the output of the following code?

class Bottle {
    private String material;
    private double capacity;
        
    public Bottle(String material, double capacity) {
        this.material = material;
        this.capacity = capacity;
    }
        
    public String getMaterial() {
        return material;
    }
        
    public double getCapacity() {
        return capacity;
    }
}
public class Main {
    public static void main(String[] args) {
        Bottle b = new Bottle("Plastic", 1.5);
        System.out.println("Bottle material: " + b.getMaterial() + ", Capacity: " + b.getCapacity() + " liters");
    }
}

a) Bottle material: Plastic, Capacity: 1.5 liters
b) Bottle material: Glass, Capacity: 1.0 liters
c) Error: capacity is private
d) Error: material is private

Answer: a) Bottle material: Plastic, Capacity: 1.5 liters

Constructors: No-Argument, Default, and Parameterized

Q: What will the following code output?

class Smartphone {
    private String model;
    private int storage;
        
    public Smartphone(String model, int storage) {
        this.model = model;
        this.storage = storage;
    }
        
    public String getModel() {
        return model;
    }
        
    public int getStorage() {
        return storage;
    }
}
public class Main {
    public static void main(String[] args) {
        Smartphone phone = new Smartphone("iPhone", 128);
        System.out.println("Model: " + phone.getModel() + ", Storage: " + phone.getStorage() + "GB");
    }
}

a) Model: iPhone, Storage: 128GB
b) Model: iPhone, Storage: 64GB
c) Error: storage is private
d) Error: model is private

Answer: a) Model: iPhone, Storage: 128GB

Q: Consider the following code. What is the output?

class Laptop {
    private String brand;
    private int ram;
        
    public Laptop(String brand, int ram) {
        this.brand = brand;
        this.ram = ram;
    }
        
    public String getBrand() {
        return brand;
    }
        
    public int getRam() {
        return ram;
    }
}
public class Main {
    public static void main(String[] args) {
        Laptop laptop = new Laptop("HP", 16);
        System.out.println(laptop.getBrand() + " laptop with " + laptop.getRam() + "GB RAM");
    }
}

a) HP laptop with 16GB RAM
b) Dell laptop with 16GB RAM
c) HP laptop with 8GB RAM
d) Error: ram is private

Answer: a) HP laptop with 16GB RAM

Q: What is the output of the following code?

class Refrigerator {
    private String brand;
    private double capacity;
        
    public Refrigerator(String brand, double capacity) {
        this.brand = brand;
        this.capacity = capacity;
    }
        
    public String getBrand() {
        return brand;
    }
        
    public double getCapacity() {
        return capacity;
    }
}
public class Main {
    public static void main(String[] args) {
        Refrigerator fridge = new Refrigerator("LG", 300);
        System.out.println(fridge.getBrand() + " fridge with " + fridge.getCapacity() + " liters capacity");
    }
}

a) LG fridge with 300 liters capacity
b) Samsung fridge with 300 liters capacity
c) LG fridge with 200 liters capacity
d) Error: capacity is private

Answer: a) LG fridge with 300 liters capacity

Q: What will the following code print?

class Car {
    private String make;
    private int year;
        
    public Car(String make, int year) {
        this.make = make;
        this.year = year;
    }
        
    public String getMake() {
        return make;
    }
        
    public int getYear() {
        return year;
    }
}
public class Main {
    public static void main(String[] args) {
        Car c = new Car("Honda", 2022);
        System.out.println("Make: " + c.getMake() + ", Year: " + c.getYear());
    }
}

a) Make: Honda, Year: 2022
b) Make: Toyota, Year: 2022
c) Make: Honda, Year: 2021
d) Error: year is private

Answer: a) Make: Honda, Year: 2022

Q: Consider the following code. What is the output?

class Tablet {
    private String brand;
    private int batteryLife;
        
    public Tablet(String brand, int batteryLife) {
        this.brand = brand;
        this.batteryLife = batteryLife;
    }
        
    public String getBrand() {
        return brand;
    }
        
    public int getBatteryLife() {
        return batteryLife;
    }
}
public class Main {
    public static void main(String[] args) {
        Tablet t = new Tablet("iPad", 10);
        System.out.println(t.getBrand() + " with " + t.getBatteryLife() + " hours battery life");
    }
}

a) iPad with 10 hours battery life
b) iPad with 12 hours battery life
c) Galaxy Tab with 10 hours battery life
d) Error: batteryLife is private

Answer: a) iPad with 10 hours battery life

Methods: Accessors (Getters), Mutators (Setters), and toString() Format

Q: What is the output of the following code?

class Bicycle {
    private String type;
    private int gears;
        
    public Bicycle(String type, int gears) {
        this.type = type;
        this.gears = gears;
    }
        
    public String getType() {
        return type;
    }
        
    public int getGears() {
        return gears;
    }
        
    public void setGears(int gears) {
        this.gears = gears;
    }
        
    public String toString() {
        return "Bicycle type: " + type + ", Gears: " + gears;
    }
}
public class Main {
    public static void main(String[] args) {
        Bicycle bike = new Bicycle("Mountain", 18);
        bike.setGears(21);
        System.out.println(bike);
    }
}

a) Bicycle type: Mountain, Gears: 18
b) Bicycle type: Mountain, Gears: 21
c) Error: gears is private
d) Error: setGears method is missing

Answer: b) Bicycle type: Mountain, Gears: 21

Q: Consider the following code. What will it print?

class Person {
    private String name;
    private int age;
        
    public Person(String name, int age) {
        this.name = name;
        this.age = age;
    }
        
    public String getName() {
        return name;
    }
        
    public int getAge() {
        return age;
    }
        
    public void setAge(int age) {
        this.age = age;
    }
        
    public String toString() {
        return name + " is " + age + " years old";
    }
}
public class Main {
    public static void main(String[] args) {
        Person p = new Person("Alice", 25);
        p.setAge(26);
        System.out.println(p);
    }
}

a) Alice is 25 years old
b) Alice is 26 years old
c) Error: age is private
d) Error: setAge method is missing

Answer: b) Alice is 26 years old

Q: What will the following code print?

class Employee {
    private String name;
    private double salary;
        
    public Employee(String name, double salary) {
        this.name = name;
        this.salary = salary;
    }
        
    public String getName() {
        return name;
    }
        
    public double getSalary() {
        return salary;
    }
        
    public void setSalary(double salary) {
        this.salary = salary;
    }
        
    public String toString() {
        return name + " earns $" + salary;
    }
}
public class Main {
    public static void main(String[] args) {
        Employee e = new Employee("John", 50000);
        e.setSalary(55000);
        System.out.println(e);
    }
}

a) John earns $50000
b) John earns $55000
c) Error: salary is private
d) Error: setSalary method is missing

Answer: b) John earns $55000

Q: Consider the following code. What is the output?

class Book {
    private String title;
    private String author;
        
    public Book(String title, String author) {
        this.title = title;
        this.author = author;
    }
        
    public String getTitle() {
        return title;
    }
        
    public String getAuthor() {
        return author;
    }
        
    public void setAuthor(String author) {
        this.author = author;
    }
        
    public String toString() {
        return title + " by " + author;
    }
}
public class Main {
    public static void main(String[] args) {
        Book b = new Book("1984", "George Orwell");
        b.setAuthor("Orwell");
        System.out.println(b);
    }
}

a) 1984 by George Orwell
b) 1984 by Orwell
c) Error: author is private
d) Error: setAuthor method is missing

Answer: b) 1984 by Orwell

Q: What will the following code output?

class Movie {
    private String title;
    private int year;
        
    public Movie(String title, int year) {
        this.title = title;
        this.year = year;
    }
        
    public String getTitle() {
        return title;
    }
        
    public int getYear() {
        return year;
    }
        
    public void setYear(int year) {
        this.year = year;
    }
        
    public String toString() {
        return title + " (" + year + ")";
    }
}
public class Main {
    public static void main(String[] args) {
        Movie m = new Movie("Inception", 2010);
        m.setYear(2012);
        System.out.println(m);
    }
}

a) Inception (2010)
b) Inception (2012)
c) Error: year is private
d) Error: setYear method is missing

Answer: b) Inception (2012)

Code Snippets-based MCQs

Class Definitions

Easy Level MCQs: Class and Object Basics

Easy Level MCQs: Constructors and Default Values

Easy Level MCQs: Constructors and Method Calls

Easy Level MCQs: Default Values and Object Fields

Easy Level MCQs: Fields with Different Data Types

Easy Level MCQs: Accessors (Getters) and Mutators (Setters)

Easy Level MCQs: toString() Method and Object Representation

Slightly harder MCQs: Fields, Constructors, Methods

Fields: Private or Non-Private Fields (Data Types: All Primitive and Reference Types)

Constructors: No-Argument, Default, and Parameterized

Methods: Accessors (Getters), Mutators (Setters), and toString() Format

Tricky MCQs