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๐Ÿ‘จ๐Ÿป‍๐Ÿ’ป PS/JAVA

[JAVA] ๋ฐฑ์ค€ 11721๋ฒˆ ใ€์—ด ๊ฐœ์”ฉ ๋Š์–ด ์ถœ๋ ฅํ•˜๊ธฐใ€‘

2022. 9. 2. 11:39


charAt๋ฉ”์„œ๋“œ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์ถœ๋ ฅ์„ ํ•˜๋Š” ๋ฐฉ๋ฒ•๋„ ์žˆ์ง€๋งŒ, ๋‚˜๋Š” substring ๋ฉ”์„œ๋“œ๋ฅผ ํ™œ์šฉํ•˜์—ฌ ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•ด๋ณด์•˜๋‹ค.

 

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String Input = scanner.next();
        print10(Input);
    }

    static void print10(String Input) {
        int length = Input.length();
        for(int i=0;i<length;i+=10) {
            if(i+10<=length) {
                System.out.println(Input.substring(i,i+10));
            }
            else
                System.out.println(Input.substring(i));
        }
    }
}

 

์ผ๋‹จ, print10 ์ด๋ผ๋Š” ๋ฉ”์„œ๋“œ๋ฅผ ์ž‘์„ฑํ•˜์˜€๋‹ค.

 

๋จผ์ € for๋ฌธ์„ ํ†ตํ•ด์„œ ์กฐ๊ฑด์‹์„ ์ž‘์„ฑํ•˜์˜€๋‹ค.

 

i+10 <= length ๋ผ๋Š” ์กฐ๊ฑด์‹์„ ํ†ตํ•ด์„œ ๋‚จ์€ ๋ฌธ์ž์—ด์˜ ๊ฐฏ์ˆ˜๊ฐ€ 10๊ฐœ ์ดํ•˜์ธ์ง€ ์•„๋‹Œ์ง€๋ฅผ ํŒ๋ณ„ํ•˜์˜€๋‹ค.

 

๋งŒ์•ฝ 12๊ธ€์ž์˜ ๋ฌธ์ž์—ด์ด ์ž…๋ ฅ๋˜์—ˆ๋‹ค๋ฉด,

 

i=0 ์ผ๋•Œ, i+10์€ ๋ฌธ์ž์—ด์˜ length์ธ 12๋ณด๋‹ค ์ž‘์œผ๋ฏ€๋กœ

 

Input.substring(0,10) ์„ ํ™œ์šฉํ•˜์—ฌ index 0 ์—์„œ 9๊นŒ์ง€ ์ถœ๋ ฅํ•œ๋‹ค.
(substring(start index,end index)๋Š” end index๋Š” ํฌํ•จํ•˜์ง€ ์•Š๊ณ  ์ถœ๋ ฅํ•œ๋‹ค.)

 

์ถœ๋ ฅ์ด ๋๋‚˜๋ฉด i+=10์— ์˜ํ•ด i๋Š” 10์ด ๋˜๊ณ  i+10์€ 20์œผ๋กœ ๋ฌธ์ž์—ด์˜ length 12๋ฅผ ์ดˆ๊ณผํ•˜๋ฏ€๋กœ

 

Input.substring(10)์ด ๋˜์–ด ๋ฌธ์ž์—ด index 10 ~ ๋ฌธ์ž์—ด์˜ ๋ ์ด ์ถœ๋ ฅ์ด ๋œ๋‹ค.

 

    '๐Ÿ‘จ๐Ÿป‍๐Ÿ’ป PS/JAVA' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€
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