华南理工大学大一JAVA复习题(共17页).doc

2.1从输入对话框读入double型的华氏度，将其转换为摄氏度，并在消息对话框中显示结果。Celsius = (5/9)*(Fahrenheit-32)import javax.swing.JOptionPane;public class Exercise2_1 public static void main(String args) String fahrenheitString = JOptionPane.showInputDialog(null, Enter a temperature in fahrenheit:, Exercise2_1 Input, JOptionPane.QUESTION_MESSAGE); double fahrenheit = Double.parseDouble(fahrenheitString); double celsius = (5.0 / 9.0) * (fahrenheit - 32);