千克与磅之间的转换 Exercise05_05

Posted 2021-01-29 cherrydream

 1 /**
 2  * @author 冰樱梦
 3  * 时间：2018年下半年
 4  * 题目：千克与磅之间的转换
 5  *
 6  */
 7 public class Exercise05_05 {
 8     public static void main(String[] args){
 9         System.out.printf("%-27s %-25s %-27s %-10s
","千克","磅","磅","千克");
10         int i=1,j=20;
11 //        while(i<200 && j<=515){
12 //            System.out.printf("%-10d %-8.1f %-10d %-10.2f
", i,2.2*i,j,j/2.2);
13 //            i+=2;
14 //            j+=5;
15 //        }
16         do{
17             System.out.printf("%-10d %-8.1f %-10d %-10.2f
", i,2.2*i,j,j/2.2);
18             i+=2;
19             j+=5;
20         }while(i<200 && j<=515);
21     }
22 }