摄氏度和华氏度之间的额转换 Exercise06_08

 /**
  * @author 冰樱梦
  * 时间：2018年下半年
  * 题目：摄氏度和华氏度之间的额转换
  *
  */
 public class Exercise06_08 {
     public static void main(String[] args){
         System.out.printf("%-23s%-22s%-20s%-10s","摄氏度","华氏度","华氏度","摄氏度");
         System.out.println("\n————————————————————————————————————————————————");
         for(double i=40,j=120;i>=31&&j>=30;i--,j-=10){
             System.out.printf("%-10.1f%-10.1f%-10.1f%.1f\n",i,celsiusToFahrenheit(i),j,fahrenheitToCelsius(j));
         }

     }
     public static double celsiusToFahrenheit(double celsius){
         return (9.0/5)*celsius+32;
     }
     public static double fahrenheitToCelsius(double fahrenheit){
         return (5.0/9)*(fahrenheit-32);
     }
 }