现在我们在已有的程序的基础上继续:
import java.awt.*; 【程序编程相关:TIJ swot_JAVA的初学者(四)】 adding html adding an icon setting the default button creating a formatted text field 【推荐阅读:DOM基础&实例】 import javax.swing.*; 【扩展信息:Java 7.0需要什么样的新特性?】 import java.awt.event.*; import javax.swing.text.numberformatter; import java.text.parseexception; import java.text.decimalformat; import java.net.url; public class celsiusconverter2 implements actionlistener { jframe converterframe; jpanel converterpanel; jformattedtextfield tempcelsius; jlabel celsiuslabel, fahrenheitlabel; jbutton converttemp; public celsiusconverter2() { converterframe = new jframe("convert celsius to fahrenheit"); converterframe.setdefaultcloseoperation(jframe.exit_on_close); converterframe.setsize(new dimension(120, 40)); converterpanel = new jpanel(new gridlayout(2, 2)); addwidgets(); ... 下一页