题解 | #字符串分隔#

package com.niuke.test;
//题目：HJ4 字符串分隔
//描述
//        •输入一个字符串，请按长度为8拆分每个输入字符串并进行输出；
//
//        •长度不是8整数倍的字符串请在后面补数字0，空字符串不处理。
//        输入描述：
//        连续输入字符串(每个字符串长度小于等于100)
//
//        输出描述：
//        依次输出所有分割后的长度为8的新字符串
//示例1
//        输入：
//        abc
//        输出：
//        abc00000
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Scanner;

import static kotlin.reflect.jvm.internal.impl.builtins.StandardNames.FqNames.array;

public class Subject03 {
    public static void main(String[] args) {
        fun3();
    }
    public static void fun1(){
        Scanner scanner = new Scanner(System.in);
        String input = scanner.nextLine();
        int c = input.length() / 8;
        int b = input.length() % 8;
        int cout=0;
        if (c==0) cout = c+1;
        else if (c >=1 && b==0) cout=c;
        else cout = c+1;
        int index=0;
        for (int i=0;i<cout;i++){
            if ((c==0 || c==1) && b==0 ) {
                System.out.print(input);
            }else if (c==0 && b!=0){
                StringBuilder stringBuilder = new StringBuilder();
                stringBuilder.append(input);
                for (int j=1;j<=8-input.length();j++){
                    stringBuilder.append("0");
                }
                System.out.print(stringBuilder.toString());
            }else if (c>1 && b==0){
                String substring = input.substring(index, index + 8);
                StringBuilder stringBuilder = new StringBuilder();
                stringBuilder.append(substring);
                System.out.println(stringBuilder.toString());
            } else {
                if (i+1==cout){
                    String substring = input.substring(index, index+b);
                    StringBuilder stringBuilder1 = new StringBuilder();
                    stringBuilder1.append(substring);
                    for (int j=1;j<=8-b;j++) {
                        stringBuilder1.append("0");
                    }
                    System.out.print(stringBuilder1.toString());
                }else {
                    String substring = input.substring(index, index + 8);
                    StringBuilder stringBuilder = new StringBuilder();
                    stringBuilder.append(substring);
                    System.out.println(stringBuilder.toString());
                }
            }
            index+=8;
        }
    }
    public static void fun2(){ //fun1的改良版本
        Scanner scanner = new Scanner(System.in);
        String input = scanner.nextLine();
        int a = input.length() % 8;
        if (a==0){ //字符串长度是8的倍数
            int index = 0;
            for (int i=0;i<input.length()/8;i++){
                String substring = input.substring(index, index + 8);
                System.out.println(substring);
                index +=8;
            }
        }else { //字符串长度不是8的倍数
            if (input.length()<8){
                StringBuilder stringBuilder = new StringBuilder();
                stringBuilder.append(input);
                for (int j=1;j<=8-input.length();j++){
                    stringBuilder.append("0");
                }
                System.out.print(stringBuilder.toString());
            }else {
                int index =0;
                for (int i=0;i<=input.length()/8;i++){
                    if (i==input.length()/8){
                        StringBuilder stringBuilder = new StringBuilder();
                        String substrings = input.substring(index,index+input.length()%8);
                        stringBuilder.append(substrings);
                        for (int k=1;k<=8-(input.length()%8);k++){
                            stringBuilder.append("0");
                        }
                        System.out.println(stringBuilder.toString());
                    }else {
                        String substring = input.substring(index, index + 8);
                        index+=8;
                        System.out.println(substring);
                    }
                }
            }
        }
    }

    public static void fun3(){
        Scanner scanner = new Scanner(System.in);
        String input = scanner.nextLine();
        ArrayList<String> strings = new ArrayList<>();
        for (int i=0;i<input.length();i++){
            strings.add(String.valueOf(input.charAt(i)));
        }
        if (input.length()%8!=0){
            for (int k=1;k<= 8-input.length()%8;k++){
                strings.add("0");
            }
        }
        int index=0;
        for (int j=0;j<strings.size()/8;j++) {
            List<String> strings1 = strings.subList(index, index + 8);
            Iterator<String> iterator = strings1.iterator();
            StringBuilder stringBuilder = new StringBuilder();
            while (iterator.hasNext()){
                String str = iterator.next();
                stringBuilder.append(str);
            }
            System.out.println(stringBuilder.toString());
            index+=8;
        }
    }
}