public class Test { public static void main(String[] args){ //程序说明:计算十年后的学费 //计算 double s = 10000.0,e = 0,t = 0; int i = 1; DecimalFormat df = new DecimalFormat("######0.00"); while(i <= 13) { s = s + (s * 0.05); if(i == 10) t = s; if(i >= 10) { e = e + s; } i++; } //显示学费 System.out.println("Tuition in ten years is " + df.format(t)); System.out.println("The four-year tuition in ten years is " + df.format(e)); } }