字符串分隔

題目描述

•連續輸入字符串，請按長度爲8拆分每一個字符串後輸出到新的字符串數組；
•長度不是8整數倍的字符串請在後面補數字0，空字符串不處理。

輸入描述

連續輸入字符串(輸入2次,每一個字符串長度小於100)

輸出描述

輸出到長度爲8的新字符串數組

輸入例子

abc
123456789

輸出例子

abc00000
12345678
90000000

算法實現

import java.util.Scanner;

/**
 * 
 * Declaration: All Rights Reserved !!!
 */
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        StringBuilder builder = new StringBuilder(256);
        while (scanner.hasNext()) {
            builder.setLength(0);
            String input = scanner.nextLine();
            stringSplit(builder, input);
            input = scanner.nextLine();
            stringSplit(builder, input);
            System.out.print(builder);
        }

        scanner.close();
    }

    private static void stringSplit(StringBuilder builder, String str) {
        if (str == null || str.length() < 1) {
            return;
        }

        int pos = 0;
        while ((pos += 8) < str.length()) {
            builder.append(str.substring(pos - 8, pos)).append("\n");

        }

        // 若是str.length() < pos，說明最後的不足8個字符或者恰好8個
        if (str.length() <= pos) {
            builder.append(str.substring(pos - 8, str.length()));

            for (int i = str.length(); i < pos; i++) {
                builder.append(0);
            }
            builder.append("\n");
        }
    }
}