编写一个记事本程序 要求： 用图形用户界面实现。 能实现编辑、保存、另存为、查找替换等功能。（精选）

){e2.printStackTrace();}}if(a==2){///??????????????????????????????????????????????????????????????????//}}}publicvoidwindowClosed(WindowEventarg0){}publicvoidwindowIconified(WindowEventarg0){//TODOAuto-generatedmethodstub}publicvoidwindowDeiconified(WindowEventarg0){//TODOAuto-generatedmethodstub}publicvoidwindowActivated(WindowEventarg0){//TODOAuto-generatedmethodstub}publicvoidwindowDeactivated(WindowEventarg0){//TODOAuto-generatedmethodstub}publicvoidmouseClicked(MouseEventarg0){//TODOAuto-generatedmethodstub}publicvoidmousePressed(MouseEventarg0){//TODOAuto-generatedmethodstub}publicvoidmouseReleased(MouseEventarg0){//TODOAuto-generatedmethodstub}publicvoidmouseEntered(MouseEventarg0){//TODOAuto-generatedmethodstub}publicvoidmouseExited(MouseEventarg0){//TODOAuto-generatedmethodstub}}