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pages['calculate-compound-interest'],

title: Java program To Calculate Compound Interest

shotTitle: Calculate Compound Interest

description: This code takes the principal amount, annual interest rate (as a percentage), number of years, and compounding frequency (how many times per year the interest is compounded) as input from the user.

import { List, ListItemGood } from '@/components/List'

The integer is stored in a variable using `System.in`, and is displayed on the screen using `System.out`.

To understand this example, you should have the knowledge of the following Java programming topics:

- [Java Operators](/docs/operators)

- [Java Basic Input and Output](/docs/basic-input-output)

A java program to calculate compound Interest

import java.util.Scanner;

public class CompoundInterestCalculator {

public static void main(String[] args) {

Scanner scanner = new Scanner(System.in);

// Input principal amount

System.out.print("Enter the principal amount: ");

double principal = scanner.nextDouble();

// Input annual interest rate (as a percentage)

System.out.print("Enter the annual interest rate (as a percentage): ");

double annualRate = scanner.nextDouble();

// Input number of years

System.out.print("Enter the number of years: ");

int years = scanner.nextInt();

// Input number of times interest is compounded per year

System.out.print("Enter the number of times interest is compounded per year: ");

int compoundingFrequency = scanner.nextInt();

// Convert annual rate to decimal and calculate compound interest

double rate = annualRate / 100;

double amount = principal * Math.pow(1 + (rate / compoundingFrequency), compoundingFrequency * years);

// Calculate compound interest

double compoundInterest = amount - principal;

// Display the result

System.out.println("The compound interest after " + years + " years is: " + compoundInterest);

// Close the scanner

scanner.close();

}

}