Simple interest can be calculated as follows: Interest = P*r*t where P = the pri

Question

Simple interest can be calculated as follows: Interest = P*r*t where P = the principle, r = the interest rate, and t = time in years For example, if a person starts with a principle = $100.00 at an interest rate = 0.04 where time = 3 years. The amount of interest is 12 dollars or 100.0 * 0.04 * 3 = 12 Design a class called Interest whose constructor accepts three arguments. The principle (in dollars), the rate (in decimal format), and the number of years represented as a variable called time (an integer). Besides the appropriate gets (accessors) and sets (mutators), it should have a method named getInterest that returns the interest, in dollars that the investment has earned. Demonstrate the class in a program that uses a while loop (period < = time) to display the interest earned for each year of a time specified by the user. For example, if principle is $100.00, the interest rate is 0.04 for a three-year time period, it should display a report similar to the one shown here. Year Interest Earned 14 28 3 12 Input Validation: Do not accept a negative number for principle and rate, and do not accept any value less than one for time traveled (use while loops to test for principle > = 0, and rate > = 0, and another while loop to test for time > 1). Simple interest can be calculated as follows: Interest = P*r*t where P = the principle, r = the interest rate, and t = time in years For example, if a person starts with a principle = $100.00 at an interest rate = 0.04 where time = 3 years. The amount of interest is 12 dollars or 100.0 * 0.04 * 3 = 12 Design a class called Interest whose constructor accepts three arguments. The principle (in dollars), the rate (in decimal format), and the number of years represented as a variable called time (an integer). Besides the appropriate gets (accessors) and sets (mutators), it should have a method named getInterest that returns the interest, in dollars that the investment has earned. Demonstrate the class in a program that uses a while loop (period < = time) to display the interest earned for each year of a time specified by the user. For example, if principle is $100.00, the interest rate is 0.04 for a three-year time period, it should display a report similar to the one shown here. Year Interest Earned 14 28 3 12 Input Validation: Do not accept a negative number for principle and rate, and do not accept any value less than one for time traveled (use while loops to test for principle > = 0, and rate > = 0, and another while loop to test for time > 1). Simple interest can be calculated as follows: Interest = P*r*t where P = the principle, r = the interest rate, and t = time in years For example, if a person starts with a principle = $100.00 at an interest rate = 0.04 where time = 3 years. The amount of interest is 12 dollars or 100.0 * 0.04 * 3 = 12 Design a class called Interest whose constructor accepts three arguments. The principle (in dollars), the rate (in decimal format), and the number of years represented as a variable called time (an integer). Besides the appropriate gets (accessors) and sets (mutators), it should have a method named getInterest that returns the interest, in dollars that the investment has earned. Demonstrate the class in a program that uses a while loop (period < = time) to display the interest earned for each year of a time specified by the user. For example, if principle is $100.00, the interest rate is 0.04 for a three-year time period, it should display a report similar to the one shown here. Year Interest Earned 14 28 3 12 Input Validation: Do not accept a negative number for principle and rate, and do not accept any value less than one for time traveled (use while loops to test for principle > = 0, and rate > = 0, and another while loop to test for time > 1).

Explanation / Answer

package com.he.capillary;

import java.util.Scanner;

public class Interests {

   private float rate;
   private double principle;
   private Integer year;

   public float getRate() {
       return rate;
   }

   public void setRate(float rate) {
       this.rate = rate;
   }

   public double getPrinciple() {
       return principle;
   }

   public void setPrinciple(double principle) {
       this.principle = principle;
   }

   public Integer getYear() {
       return year;
   }

   public void setYear(Integer year) {
       this.year = year;
   }
  
   public double getInterest(){
       return rate*principle*year*1.0d;
   }

   public Interests(float rate, double principle, Integer year) {
       super();
       this.rate = rate;
       this.principle = principle;
       this.year = year;
   }

   public static void main(String[] args) {
       Scanner sc = new Scanner(System.in);
       double principle = 0d;
       float rate = 0f;
       Integer year = 0;
       while(true){
           System.out.println("Please enter Principle : ");
           principle = sc.nextDouble();
           System.out.println("Please enter rate : ");
           rate = sc.nextFloat();
           System.out.println("Please enter time : ");
           year = sc.nextInt();
           if(principle >= 0 && rate >= 0 && year > 1){
               break;
           }else{
               continue;
           }
       }
       Interests interests = new Interests(rate, principle, year);
       int period = 1;
       while(period <= year){
           System.out.println(Math.ceil(rate*principle*year*1.0d));
           period++;
       }
      
   }
}

I didnt get year wise interest because it is simple interest so interest should be same for all years.

Let me know in case of issues.

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