String a = "1你号";
StringBuilder sb = new StringBuilder();
for (int i = 0; i < a.length(); i++) {
if ((a.charAt(i) + "").getBytes().length != 1) {
sb.append(a.charAt(i));
}
}
System.out.println(sb.toString());
StringBuilder sb = new StringBuilder();
for (int i = 0; i < a.length(); i++) {
if ((a.charAt(i) + "").getBytes().length != 1) {
sb.append(a.charAt(i));
}
}
System.out.println(sb.toString());