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- public String getServerUser(String user){
- int length = user.length();
- StringBuffer buffer = new StringBuffer(length);
- for(int i = 0; i < length; i++) {
- char ch = user.charAt(i);
- if (Character.isLetter(ch)) {
- buffer.append(ch);
- }
- }
- return buffer.toString();
- }
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