public void actionPerformed(ActionEvent arg0) { int m; fr; try {
String s=br.readLine(); while(s!=null) {
a.append(s); a.append(\s=br.readLine(); }
} catch ( e) {
// TODO自动生成catch 块 e.printStackTrace(); } catch (IOException e) { // TODO自动生成catch 块 e.printStackTrace(); } }}); }
public static void main(String[] args) {
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A2 n=new A2();
// TODO自动生成方法存根 } }
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