list.add("List Item 4");
楼主以后要注意命名规范 不要再犯大小写的错误了错误分屏显示
1。修改命令行窗口 屏幕缓冲区的 高度 可以设为9999
2。javac -nowarn SimpleWidgetApplet.java>result.txt 把输出重定向到文件中得了
3。使用集成开发环境
楼主以后要注意命名规范 不要再犯大小写的错误了错误分屏显示
1。修改命令行窗口 屏幕缓冲区的 高度 可以设为9999
2。javac -nowarn SimpleWidgetApplet.java>result.txt 把输出重定向到文件中得了
3。使用集成开发环境
2.添加方法:
public void actionPerformed(java.awt.event.ActionEvent e){ }
读起来不舒服
在FORM中加如BUTTON等等时要注意必须家容器
大小写可要注意,
另外我补充一下!
在WIN98命令行方式下调试!无法滚屏!
你可以在WIN2K下,进行,是可以滚屏的!
建议你用WIN2K吧,好些东西都在其下工作!
C:\j2sdk\myjava\demo1>javac -nowarn SimpleWidgetApplet.java
SimpleWidgetApplet.java:65: cannot resolve symbol
symbol : class checkGroup
location: class SimpleWidgetApplet
public checkGroup myCheckBoxGroup=new CheckboxGroup();
^
SimpleWidgetApplet.java:14: SimpleWidgetApplet should be declared abstract; it d
oes not define actionPerformed(java.awt.event.ActionEvent) in SimpleWidgetAppletpublic class SimpleWidgetApplet extends Applet implements ActionListener
^
SimpleWidgetApplet.java:147: cannot resolve symbol
symbol : variable choiceItem
location: class SimpleWidgetApplet
g.drawString(choiceItem,20,200);
^
3 errors
试过了,不是大小写问题。
C:\j2sdk\myjava\demo1>javac -nowarn SimpleWidgetApplet.java
SimpleWidgetApplet.java:14: SimpleWidgetApplet should be declared abstract; it d
oes not define actionPerformed(java.awt.event.ActionEvent) in SimpleWidgetAppletpublic class SimpleWidgetApplet extends Applet implements ActionListener
^
SimpleWidgetApplet.java:147: cannot resolve symbol
symbol : variable ChoiceItem
location: class SimpleWidgetApplet
g.drawString(ChoiceItem,20,200);
^
2 errors
C:\j2sdk\myjava\demo1>javac -nowarn SimpleWidgetApplet.java
SimpleWidgetApplet.java:14: SimpleWidgetApplet should be declared abstract; it d
oes not define actionPerformed(java.awt.event.ActionEvent) in SimpleWidgetAppletpublic class SimpleWidgetApplet extends Applet implements ActionListener
^
1 error