C语言程序设计教程（第三版）课后习题4.9 （Java代码）

import java.text.DecimalFormat;

import java.util.Scanner;

public class Main{

        public static void add(double a){

                DecimalFormat df=new DecimalFormat("0.00");

                System.out.print("c="+df.format(5*(a-32)/9));

        public static void main(String[] arg){

                Scanner sc = new Scanner(System.in);

                double a = sc.nextFloat();

                add(a);

        }

}