In this tutorial, we will write a Java program that will calculate simple interest.
Simple Interest Formula
Simple Interest = (P × R × T)/100
- P is Principal amount.
- R is rate per annum.
- T is time in years.
For example, suppose a man deposits 2000 INR in a bank account at a 6% annual interest rate for three years. Calculate the simple interest at the end of three years.
Simple interest = 2000*6*3/100 = 360 INR
Example:
In the following example, we take the user’s p, r, and t values and then calculate simple interest based on those values.
public class JavaExample { public static void main(String args[]) { float p, r, t, sinterest; Scanner scan = new Scanner(System.in); System.out.print("Enter the Principal : "); p = scan.nextFloat(); System.out.print("Enter the Rate of interest : "); r = scan.nextFloat(); System.out.print("Enter the Time period : "); t = scan.nextFloat(); scan.close(); sinterest = (p * r * t) / 100; System.out.print("Simple Interest is: " +sinterest); } }
Output:
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Enter the Principal : 2000
Enter the Rate of interest : 6
Enter the Time period : 3
Simple Interest is: 360.0
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