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String str1 = str.substring(str.length()-2366);
String str2 = str.substring(0, str.length()-2366);
PrintWriter pw = new PrintWriter("d:\\a.txt");
pw.println(str1+str2);
pw.close();
String str = "/n中文测试,这是内部硬编码的串 " + "/ntest english character";
String strin = "";
BufferedReader stdin = new BufferedReader(new InputStreamReader(new FileInputStream("E:/test.txt"), "gb2312"));
// 设置输入接口按中文编码
BufferedWriter stdout = new BufferedWriter(new OutputStreamWriter(System.out, "gb2312"));
// 设置输出接口按中文编码
stdout.write("请输入:");
stdout.flush();
strin = stdin.readLine();
stdout.write("这是从用户输入的串:" + strin);
stdout.write(str);
stdout.flush();
System.out.println(s.substring(s.length() - 2236));