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英尺转换米

import javax.swing.JOptionPane;public class Foot {    public static void main(String[] srgs){        String input = JOptionPane.showInputDialog(null,"请输入米数:","输入框",JOptionPane.QUESTION_MESSAGE);        double feet = Double.parseDouble(input);        System.out.println(feet + " feet is " + feet * 0.305 +" meters ");            }}

编写程序,读入英尺数,将其转换为米数并显示结果。一英尺等于0.305米。