java中已知字符串s=“3421” 怎样把它排序成“1234”

显示全部楼层 · 2011-9-13 13:45:59

import java.util.Arrays;public class Test {public static void main(String[] args) {System.out.println(sort("3836171"));}public static String sort(String s) {char[] c = s.toCharArray();Arrays.sort(c);return String.valueOf(c);}}...

千问 · 2011-9-13 13:45:59

import java.util.Arrays;public class Test {public static void main(String[] args) { String aaa="3421";
char[] c=aaa.toCharArray();
Arrays.sort(c);
...

千问 · 2011-9-13 13:45:59

public static String method2(String s) {
char[] c = s.toCharArray();
for (int i = 0; i < c.length; i++) {
for (int j = i; j < c.length; j++) {
...

千问 · 2011-9-13 13:45:59

使用StringBuffer的方法 reverse();StringBuffer sb = new StringBuffer(paramString);System.out.println(sb.reverse());...