[JAVA] ๋ฌธ์ž์—ด์„ ํ•˜๋‚˜์”ฉ ๋‚˜๋ˆ„๊ธฐ(toCharArray(), charAt() ํ™œ์šฉ)

2023. 10. 26. 18:54ยท๐Ÿ“† Today I Learned(๊ฐœ๋ฐœ์–ธ์–ดํ•™์Šต)/JAVA

๋ฐฉ๋ฒ• 1) toCharArray() ํ™œ์šฉ

import java.util.Scanner;

public class Solution {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String a = sc.next();
        for (char ch : a.toCharArray())
            System.out.println(ch);
    }
}
  • toCharArray()๋Š” charํƒ€์ž…์˜ ๋ฐฐ์—ด์„ ์ƒ์„ฑํ•˜์—ฌ ๋ฌธ์ž์—ด์„ ํ•œ๊ธ€์ž์”ฉ ๋‚˜๋ˆ„์–ด์„œ ์ƒ์„ฑ๋œ charํƒ€์ž… ๋ฐฐ์ผ์— ์ง‘์–ด๋„ฃ์–ด ๋ฐ˜ํ™˜ํ•ด์ฃผ๋Š” ๋ฉ”์†Œ๋“œ์ด๋‹ค.
  • ๋ฐฐ์—ด์„ ์ƒ์„ฑํ•œ ํ›„์— ์ฒ˜๋ฆฌ๋˜๊ธฐ ๋•Œ๋ฌธ์— ์ฒ˜๋ฆฌ์†๋„๊ฐ€ ๋А๋ฆฌ๋‹ค. (๋ฌผ๋ก  ์‚ฌ์šฉ์ž๊ฐ€ ์ฒด๊ฐํ•  ์ •๋„๋Š” ์•„๋‹Œ๋“ฏ..?)
  • ๊ณต๋ฐฑ๋˜ํ•œ ๋ฌธ์ž๋กœ ์ธ์‹์„ ํ•˜๊ธฐ๋•Œ๋ฌธ์— ์‚ฌ์šฉ ์‹œ ๊ทธ์ ์€ ์ฃผ์˜ ํ•ด์•ผํ• ๊ฒƒ๊ฐ™๋‹ค.

 

๋ฐฉ๋ฒ• 2) charAt() ํ™œ์šฉ

import java.util.Scanner;

public class Solution {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String a = sc.next();
        for(int i=0; i<a.length(); i++){
            System.out.println(a.charAt(i));
        }
    }
}
  • charAt()๋Š” ๋ฌธ์ž์—ด์˜ ์ธ๋ฑ์Šค๊ฐ’์„ ์ด์šฉํ•ด ํ•ด๋‹น ์ธ๋ฑ์Šค(index)์— ๋งž๋Š” ๋ฌธ์ž๋ฅผ ๋ฐ˜ํ™˜ํ•ด์ค€๋‹ค.
์ €์ž‘์žํ‘œ์‹œ (์ƒˆ์ฐฝ์—ด๋ฆผ)

'๐Ÿ“† Today I Learned(๊ฐœ๋ฐœ์–ธ์–ดํ•™์Šต) > JAVA' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€

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[JAVA] ๋ฌธ์ž์—ด์„ ํ•˜๋‚˜์”ฉ ๋‚˜๋ˆ„๊ธฐ(toCharArray(), charAt() ํ™œ์šฉ)
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