字母排序

public class ZiMuPaiXu {

public static void main(String[] args) {
String str = "sdfghjkktysdfghnmbv";
char[] chs = str.toCharArray();
for (int i = 0; i < chs.length - 1; i++) {
for (int j = 0; j < chs.length - 1 - i; j++) {
if (chs[j] > chs[j + 1]) {
char a = chs[j + 1];
chs[j+1 ] = chs[j];
chs[j] = a;

}
}
}
for (int i = 0; i < chs.length; i++) {
System.out.print(chs[i]);
}

}