uk16

import java.io.*;
public class FileCopier {
public static void main(String[] args) {
BufferedReader reader = new BufferedReader(new
InputStreamReader(System.in));
try {
System.out.print("Enter the name of the first file: ");
String firstFileName = reader.readLine();
System.out.print("Enter the name of the second file: ");
String secondFileName = reader.readLine();
FileReader firstFileReader = new FileReader(firstFileName);
BufferedReader firstBufferedReader = new
BufferedReader(firstFileReader);
FileWriter secondFileWriter = new FileWriter(secondFileName);
BufferedWriter secondBufferedWriter = new
BufferedWriter(secondFileWriter);
String line;
while ((line = firstBufferedReader.readLine()) != null) {
secondBufferedWriter.write(line);
secondBufferedWriter.newLine();
}
firstBufferedReader.close();
secondBufferedWriter.close();
System.out.println("File copy completed successfully.");
} catch (IOException e) {
System.out.println("An error occurred: " + e.getMessage());
}
}
}
Q2) Write a program to define a class Account having members custname,
accno. Define default and parameterized constructor. Create a subclass called
SavingAccount with member savingbal, minbal. Create a derived class
AccountDetail that extends the class SavingAccount with members, depositamt
and withdrawalamt. Write a appropriate method to display customer details.
SOLUTION:
class Account {
String custname;
int accno;
// Default constructor
Account() {
custname = "";
accno = 0;
}
// Parameterized constructor
Account(String name, int number) {
custname = name;
accno = number;
}
}
class SavingAccount extends Account {
double savingbal;
double minbal;
// Default constructor
SavingAccount() {
savingbal = 0.0;
minbal = 0.0;
}
// Parameterized constructor
SavingAccount(String name, int number, double balance, double minimum) {
super(name, number);
savingbal = balance;
minbal = minimum;
}
}
class AccountDetail extends SavingAccount {
double depositamt;
double withdrawalamt;
// Default constructor
AccountDetail() {
depositamt = 0.0;
withdrawalamt = 0.0;
}
// Parameterized constructor
AccountDetail(String name, int number, double balance, double minimum,
double deposit, double withdrawal) {
super(name, number, balance, minimum);
depositamt = deposit;
withdrawalamt = withdrawal;
}
// Method to display customer details
void displayCustomerDetails() {
System.out.println("Customer name: " + custname);
System.out.println("Account number: " + accno);
System.out.println("Saving balance: " + savingbal);
System.out.println("Minimum balance: " + minbal);
System.out.println("Deposit amount: " + depositamt);
System.out.println("Withdrawal amount: " + withdrawalamt);
}
}
public class Main {
public static void main(String[] args) {
// Create an object of the AccountDetail class
AccountDetail customer = new AccountDetail("John Doe", 123456, 1000.0,
500.0, 200.0, 100.0);
// Call the displayCustomerDetails() method on the object
customer.displayCustomerDetails();
}
}