題目:字符串排序。
import java.util.Arrays;
import java.util.Scanner;
public class WangDao {
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
System.out.print("Input the string: ");
String str = scan.nextLine();
printSort(str);
}
public static void printSort(String str) {
char[] ch = str.toCharArray();
Arrays.sort(ch);
str = new String(ch);
System.out.println("After sort: " + str);
}
}