✅ Question 1
class Student {
String name;
int marks;
void setData(String n, int m) {
name = n;
marks = m;
}
void display() {
System.out.println(name + " " + marks);
}
}
public class Main {
public static void main(String[] args) {
Student s1 = new Student();
// Missing Line
s1.display();
}
}
What should replace // Missing Line?
A) Student.setData(“Rahul”, 85);
B) s1.setData(“Rahul”, 85);
C) setData(“Rahul”, 85);
D) new Student(“Rahul”, 85);
✅ Question 2
class Employee {
int id;
double salary;
void setDetails(int i, double s) {
id = i;
salary = s;
}
void show() {
System.out.println(id + " " + salary);
}
}
public class Test {
public static void main(String[] args) {
Employee e = new Employee();
e.setDetails(102, 50000);
// Missing Line
}
}
A) show();
B) Employee.show();
C) e.show();
D) new show();
✅ Question 3
class Rectangle {
int length;
int width;
int area() {
return length * width;
}
}
public class Demo {
public static void main(String[] args) {
Rectangle r = new Rectangle();
r.length = 8;
r.width = 6;
// Missing Line
}
}
A) System.out.println(area());
B) System.out.println(r.area());
C) area(r);
D) Rectangle.area();
✅ Question 4
class Car {
String brand;
void setBrand(String b) {
brand = b;
}
void showBrand() {
System.out.println(brand);
}
}
public class Run {
public static void main(String[] args) {
Car c;
// Missing Line
c.setBrand("Honda");
c.showBrand();
}
}
A) Car c = new Car();
B) c = new Car();
C) new Car();
D) Car();
✅ Question 5
class Book {
String title;
void display() {
System.out.println(title);
}
}
public class Library {
public static void main(String[] args) {
Book b = new Book();
// Missing Line
b.display();
}
}
A) b.title = “Java Programming”;
B) Book.title = “Java Programming”;
C) title = “Java Programming”;
D) setTitle(“Java Programming”);
✅ Question 6
class Circle {
double radius;
double getArea() {
return 3.14 * radius * radius;
}
}
public class TestCircle {
public static void main(String[] args) {
Circle c1 = new Circle();
c1.radius = 5;
// Missing Line
}
}
A) System.out.println(getArea());
B) System.out.println(c1.getArea());
C) Circle.getArea();
D) getArea(c1);
✅ Question 7
class Person {
String name;
void greet() {
System.out.println("Hello " + name);
}
}
public class Welcome {
public static void main(String[] args) {
Person p = new Person();
p.name = "Ajay";
// Missing Line
}
}
A) greet();
B) Person.greet();
C) p.greet();
D) new greet();
✅ Question 8
class BankAccount {
double balance;
void deposit(double amt) {
balance += amt;
}
void showBalance() {
System.out.println(balance);
}
}
public class BankTest {
public static void main(String[] args) {
BankAccount acc = new BankAccount();
// Missing Line
acc.showBalance();
}
}
A) acc.deposit(2000);
B) deposit(2000);
C) BankAccount.deposit(2000);
D) new deposit(2000);
✅ Question 9
class Laptop {
String model;
void setModel(String m) {
model = m;
}
String getModel() {
return model;
}
}
public class Shop {
public static void main(String[] args) {
Laptop l = new Laptop();
l.setModel("HP");
// Missing Line
}
}
A) System.out.println(getModel());
B) System.out.println(l.getModel());
C) getModel(l);
D) Laptop.getModel();
✅ Question 10
class Temperature {
double celsius;
double toFahrenheit() {
return (celsius * 9/5) + 32;
}
}
public class Convert {
public static void main(String[] args) {
Temperature t = new Temperature();
t.celsius = 30;
// Missing Line
}
}
A) System.out.println(t.toFahrenheit());
B) System.out.println(toFahrenheit());
C) Temperature.toFahrenheit();
D) toFahrenheit(t);
🔎 Answer Key (Check After Solving)
- B
- C
- B
- B
- A
- B
- C
- A
- B
- A