//界面刷新的菜单项
upwardsMenuItem=new JMenuItem("向上");
KeyStroke ksUpwards=KeyStroke.getKeyStroke(KeyEvent.VK_BACK_SPACE,0);
upwardsMenuItem.setAccelerator(ksUpwards);
upwardsMenuItem=new JMenuItem("向上");
KeyStroke ksUpwards=KeyStroke.getKeyStroke(KeyEvent.VK_BACK_SPACE,0);
upwardsMenuItem.setAccelerator(ksUpwards);
解决方案 »
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