| 发表于:2007-04-18 17:50:40 楼主 |
是一个弹出的java窗口,会显示需要输入用户名和密码,但是代码无法运行,javac可以装入,但运行出错,显示 "exception in thread "main " java.lang.nosuchmethoderror:main ",请问是怎么回事? code如下: import java.awt.*; import java.applet.*; public class trytext extends applet { textfield name=new textfield(30); textfield pw=new textfield(30); label la1=new label(); label la2=new label(); public void init() { this.setlayout(new flowlayout()); la1.settext( "name: "); this.add(la1); this.add(name); la2.settext( "password: "); this.add(la2); pw.setechochar( '* '); this.add(pw); } } |
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