代码：

import javax.swing.*;
public class bb{
public static void main(String[] args){
　　String input = JOptionPane.showInputDialog(null,"Enter a degree in Celsius","changeDegree",JOptionPane.QUESTION_MESSAGE);
　　double Celsius = Double.parseDouble(input);
　　double Fahrenheit = (9.0/5)*Celsius+32;
　　String result = Celsius+" Celsius is "+Fahrenheit+" Fahrenheit";
　　JOptionPane.showMessageDialog(null,result);
}
}

结果：

将摄氏温度转化为华氏温度