PAT 乙级 1043. 输出PATest(20) Java版

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给定一个长度不超过10000的、仅由英文字母构成的字符串。请将字符重新调整顺序，按“PATestPATest....”这样的顺序输出，并忽略其它字符。当然，六种字符的个数不一定是一样多的，若某种字符已经输出完，则余下的字符仍按PATest的顺序打印，直到所有字符都被输出。

输入格式：

输入在一行中给出一个长度不超过10000的、仅由英文字母构成的非空字符串。

输出格式：

在一行中按题目要求输出排序后的字符串。题目保证输出非空。

输入样例：

redlesPayBestPATTopTeePHPereatitAPPT

输出样例：

PATestPATestPTetPTePePee

import java.util.ArrayList;import java.util.List;import java.util.Scanner;public class Main {public static void main(String[] args) {Scanner in = new Scanner(System.in);String string = in.nextLine();in.close();List<Character> PList = new ArrayList<>();List<Character> AList = new ArrayList<>();List<Character> TList = new ArrayList<>();List<Character> eList = new ArrayList<>();List<Character> sList = new ArrayList<>();List<Character> tList = new ArrayList<>();for (int i = 0; i < string.length(); i++) {switch (string.charAt(i)) {case 'P':PList.add(string.charAt(i));break;case 'A':AList.add(string.charAt(i));break;case 'T':TList.add(string.charAt(i));break;case 'e':eList.add(string.charAt(i));break;case 's':sList.add(string.charAt(i));break;case 't':tList.add(string.charAt(i));break;}}int maxSize = PList.size();if (AList.size() > maxSize) {maxSize = AList.size();}if (TList.size() > maxSize) {maxSize = TList.size();}if (eList.size() > maxSize) {maxSize = eList.size();}if (sList.size() > maxSize) {maxSize = sList.size();}if (tList.size() > maxSize) {maxSize = tList.size();}for (int i = 0; i < maxSize; i++) {if (i < PList.size()) {System.out.print(PList.get(i));}if (i < AList.size()) {System.out.print(AList.get(i));}if (i < TList.size()) {System.out.print(TList.get(i));}if (i < eList.size()) {System.out.print(eList.get(i));}if (i < sList.size()) {System.out.print(sList.get(i));}if (i < tList.size()) {System.out.print(tList.get(i));}}}}

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