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Les 6

The document contains Java OOP exercises that include the implementation of various classes such as Book, Student, Car, Product, and BankAccount. Each exercise provides starter code to demonstrate object-oriented programming concepts like class creation, methods, and data handling. The exercises aim to enhance understanding of Java programming through practical examples.

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jehoeftnietteweten
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11 views1 page

Les 6

The document contains Java OOP exercises that include the implementation of various classes such as Book, Student, Car, Product, and BankAccount. Each exercise provides starter code to demonstrate object-oriented programming concepts like class creation, methods, and data handling. The exercises aim to enhance understanding of Java programming through practical examples.

Uploaded by

jehoeftnietteweten
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Java OOP Exercises

- Starter Code
Exercise 1: Book Class

public class Main {


public static void main(String[] a
Book b1 = new Book("The Hobbit
Book b2 = new Book("1984", "Ge
System.out.println(b1.getBookI
System.out.println(b2.getBookI
}
}

Exercise 2: Student List

import java.util.*;

class Student {
String name;
int age;
double grade;

Student(String name, int age, doub


this.name = name;
this.age = age;
this.grade = grade;
}

boolean isPassing() {
return grade >= 5.5;
}
}

public class Main {


public static void main(String[] a
ArrayList<Student> students =
students.add(new Student("Alic
students.add(new Student("Bob"

for (Student s : students) {


System.out.println(s.name
}
}
}

Exercise 3: Car Class

class Car {
String brand;
int year;
int mileage;

Car(String brand, int year, int mi


this.brand = brand;
this.year = year;
this.mileage = mileage;
}

void drive(int km) {


mileage += km;
}

String getInfo() {
return brand + " (" + year + "
}
}

public class Main {


public static void main(String[] a
Car car1 = new Car("Toyota", 2
car1.drive(300);
System.out.println(car1.getInf
}
}

Exercise 4: Product List

import java.util.*;

class Product {
String name;
double price;

Product(String name, double price)


this.name = name;
this.price = price;
}

public String toString() {


return name + " - $" + price;
}
}

public class Main {


public static void main(String[] a
ArrayList<Product> products =
products.add(new Product("Appl
products.add(new Product("Milk

double total = 0;
for (Product p : products) {
System.out.println(p);
total += p.price;
}
System.out.println("Average pr
}
}

Exercise 5: Bank Account

class BankAccount {
String accountHolder;
double balance;

BankAccount(String accountHolder,
this.accountHolder = accountHo
this.balance = balance;
}

void deposit(double amount) {


balance += amount;
}

void withdraw(double amount) {


if (amount <= balance) {
balance -= amount;
} else {
System.out.println("Insuff
}
}

double getBalance() {
return balance;
}
}

public class Main {


public static void main(String[] a
BankAccount acc = new BankAcco
acc.deposit(50);
acc.withdraw(30);
System.out.println("Balance: $
}
}

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