如果每年按7.5%的复利计算，2500美元的投资至少值5000美元所需的年数

/** 
 来自 n o w j a v a . c o m**/

import java.util.Scanner;


public class Investment {


  public static void main(String[] args) {


    Scanner scan = new Scanner(System.in);

    int Invest = 2500;

    int finalInvest = 5000;

    double currentInvest = Invest;


    double years = 1;
    /** 
    来 自 
    nowjava.com - 时代Java
    **/


    while (currentInvest <= finalInvest) {

      years = years + 1;

      currentInvest = currentInvest * 1.075;

    }