✅ Question 1
class Student {
String name;
int age;
Student(String n, int a) {
name = n;
age = a;
}
void display() {
System.out.println(name + " " + age);
}
}
public class Main {
public static void main(String[] args) {
// Missing Line
s1.display();
}
}
A) Student s1 = new Student();
B) Student s1 = new Student(“Rahul”, 18);
C) Student(“Rahul”, 18);
D) new Student(“Rahul”, 18);
✅ Question 2
class Employee {
int id;
Employee() {
id = 100;
}
void show() {
System.out.println(id);
}
}
public class Test {
public static void main(String[] args) {
// Missing Line
e.show();
}
}
A) Employee e = new Employee();
B) Employee();
C) new Employee();
D) Employee e;
✅ Question 3
class Book {
String title;
Book(String t) {
title = t;
}
}
public class Library {
public static void main(String[] args) {
Book b;
// Missing Line
System.out.println(b.title);
}
}
A) b = new Book();
B) b = new Book(“Java”);
C) Book(“Java”);
D) new Book(“Java”);
✅ Question 4
class Rectangle {
int length;
int width;
Rectangle(int l, int w) {
length = l;
width = w;
}
int area() {
return length * width;
}
}
public class Demo {
public static void main(String[] args) {
// Missing Line
System.out.println(r.area());
}
}
A) Rectangle r = new Rectangle();
B) Rectangle r = new Rectangle(5, 4);
C) new Rectangle(5, 4);
D) Rectangle(5, 4);
✅ Question 5
class Car {
String brand;
Car() {
brand = "Toyota";
}
}
public class Run {
public static void main(String[] args) {
Car c = new Car();
// Missing Line
}
}
A) System.out.println(brand);
B) System.out.println(c.brand);
C) System.out.println(Car.brand);
D) print(c.brand);
✅ Question 6
class Circle {
double radius;
Circle(double r) {
radius = r;
}
double area() {
return 3.14 * radius * radius;
}
}
public class TestCircle {
public static void main(String[] args) {
Circle c1 = new Circle(7);
// Missing Line
}
}
A) System.out.println(area());
B) System.out.println(c1.area());
C) Circle.area();
D) area(c1);
✅ Question 7
class Laptop {
String model;
int price;
Laptop(String m, int p) {
model = m;
price = p;
}
}
public class Shop {
public static void main(String[] args) {
// Missing Line
System.out.println(l.model + " " + l.price);
}
}
A) Laptop l = new Laptop();
B) Laptop l = new Laptop(“Dell”, 60000);
C) Laptop(“Dell”, 60000);
D) new Laptop(“Dell”, 60000);
✅ Question 8
class BankAccount {
double balance;
BankAccount() {
balance = 5000;
}
BankAccount(double b) {
balance = b;
}
}
public class BankTest {
public static void main(String[] args) {
// Missing Line
System.out.println(a.balance);
}
}
(You want balance = 10000)
A) BankAccount a = new BankAccount();
B) BankAccount a = new BankAccount(10000);
C) BankAccount(10000);
D) new BankAccount(10000);
✅ Question 9
class Person {
String name;
Person() {
name = "Guest";
}
}
public class Welcome {
public static void main(String[] args) {
Person p;
// Missing Line
System.out.println(p.name);
}
}
A) p = new Person();
B) new Person();
C) Person();
D) Person p = Person();
✅ Question 10
class Temperature {
double celsius;
Temperature(double c) {
celsius = c;
}
double toFahrenheit() {
return (celsius * 9/5) + 32;
}
}
public class Convert {
public static void main(String[] args) {
// Missing Line
System.out.println(t.toFahrenheit());
}
}
A) Temperature t = new Temperature();
B) Temperature t = new Temperature(25);
C) new Temperature(25);
D) Temperature(25);
🔎 Answer Key (Check After Solving)
- B
- A
- B
- B
- B
- B
- B
- B
- A
- B