Coding of file
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Q. 1. A) import java.util.*; class SavingsAccount { double annualInterestRate=0; private double savingsBalance = 0; SavingsAccount(double num) { savingsBalance=num; } void calculateMonthlyInterest() { savingsBalance += (savingsBalance * annualInterestRate)/12; } void modifyInterestRate(double n) { annualInterestRate=n; } void display() { System.out.println("New balance = " +savingsBalance); } } public class saving { public static void main(String[] args) { SavingsAccount saver1= new SavingsAccount(2000); SavingsAccount saver2= new SavingsAccount(3000); saver1.modifyInterestRate(0.04); saver2.modifyInterestRate(0.04); saver1.calculateMonthlyInterest(); saver2.calculateMonthlyInterest(); System.out.println("Saver 1 :\n"); saver1.display(); System.out.println("Saver 2 :\n"); saver2.display(); saver1.modifyInterestRate(0.05); saver2.modifyInterestRate(0.05); saver1.calculateMonthlyInterest(); saver2.calculateMonthlyInterest(); System.out.println("Saver 1 :\n"); saver1.display();
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Q. 1. A) import java.util.*;class SavingsAccount{double annualInterestRate=0;private double savingsBalance = 0;SavingsAccount(double num){savingsBalance=num;}void calculateMonthlyInterest(){savingsBalance += (savingsBalance * annualInterestRate)/12;}void modifyInterestRate(double n){annualInterestRate=n;}void display(){System.out.println("New balance = " +savingsBalance);}}public class saving{public static void main(String[] args){SavingsAccount saver1= new SavingsAccount(2000);SavingsAccount saver2= new SavingsAccount(3000);saver1.modifyInterestRate(0.04);saver2.modifyInterestRate(0.04);saver1.calculateMonthlyInterest();saver2.calculateMonthlyInterest();System.out.println("Saver 1 :\n");saver1.display();System.out.println("Saver 2 :\n");saver2.display();saver1.modifyInterestRate(0.05);saver2.modifyInterestRate(0.05);saver1.calculateMonthlyInterest();saver2.calculateMonthlyInterest();System.out.println("Saver 1 :\n");saver1.display();System.out.println("Saver 2 :\n");saver2.display();}}
