新手请问一道编程题目，corejava的_J2SE

新手请教一道编程题目，corejava的
给定如下数组：
String[] ls={"A","B","C","V","G","H","K"};
String[] ses={"B","G","K"};
要求参照数组ses中的字母顺序对数组ls进行优先排序，对没有在ses数组中出现的字母排在数组的最后，不用排序，最后输出排好顺序的数组ls.

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典型的伸手党，下面的人不用回了！
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“对没有在ses数组中出现的字母排在数组的最后，不用排序”

不用排序的用保持原顺序么？如果不用的话。。。。

Java code

package test;public class Test1 {    static String[] ls={"A","B","C","V","G","H","K"};    static String[] ses={"B","G","K"};    /**     * @param args     */    public static void main(String[] args) {        int indexSes = 0;        int indexLs = 0;        while (indexSes <= ses.length - 1) {            while (true) {                int indexTemp = search(ses[indexSes], indexLs);                if (indexTemp != -1 && indexTemp != indexLs) {                    String tempS = ls[indexLs];                    ls[indexLs] = ls[indexTemp];                    ls[indexTemp] = tempS;                }                if (indexTemp != -1)                    indexLs++;                else                    break;            }            indexSes++;        }        for (String string : ls) {            System.out.print(string + " ");        }    }    private static int search(String c, int startIndex) {        for (int i = startIndex; i <= ls.length - 1; i++) {            if (ls[i].equals(c))                return i;        }        return -1;    }}
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典型的伸手党，下面的人不用回了！