千克转换为磅怎么计算?,磅转换千克

import javax.swing.JOptionPane;public class Weight { public static void main(String[] args){ String input = JOptionPane.showInputDialog(null,"请输入磅数：","输入框",JOptionPane.QUESTION_MESSAGE); double pounds = Double.parseDouble(input); System.out.println(pounds + " pounds is " + pounds * 0.454 + " kilograms"); }}

编写程序，将磅数转换为千克数。程序提示用户输入磅数，然后转换成千克数并显示结果。一磅等于0.454千克。

转载于:https://www.cnblogs.com/Amoxicil/p/3894604.html