[Java] [Exer5] Bài toán vui tính số năm sẽ về hưu

/**
* cusomized by: mathhoang
* Y!M: vietnam_hoangminhnguyen@yahoo.com
* addr: http://mathhoang.blogspot.com
* subject: java tutorials source code
*/
package Exercise4;
import java.util.*;

public class Example4 {
 public static void main(String[] args){
  Scanner in = new Scanner(System.in);
  System.out.println("How much do you want to receive after retiring");
  double goal = in.nextDouble();
  
  System.out.println("How much do you put into your account every year");
  double payment = in.nextDouble();
  
  System.out.println("Interest in the bank every year");
  double interest = in.nextDouble();
  
  double balance = 0;
  int years = 0;
  
  while (balance < goal) {
   balance += payment;
   double intr = balance * interest/100;
   balance += intr;
   years++;
  }
  System.out.println("You can retire after: " + years + " years");
 }
}

---
name: nguyen minh hoang
Y!M : vietnam_hoangminhnguyen@yahoo.com
net name: mathhoang