加了 但是运行时候提示Exception in thread "AWT-EventQueue-0" java.lang.Error: Unresolved compilation problems: clear cannot be resolved drCircle cannot be resolved drRect cannot be resolved openPic cannot be resolved savePic cannot be resolved而 clear,drCircle,drRect等为我的MenuItem名称
JMenuItem1.addActionListener();
JMenuItem2.addActionListener();
但是运行时候提示Exception in thread "AWT-EventQueue-0" java.lang.Error: Unresolved compilation problems:
clear cannot be resolved
drCircle cannot be resolved
drRect cannot be resolved
openPic cannot be resolved
savePic cannot be resolved而 clear,drCircle,drRect等为我的MenuItem名称