[BaekJoon] 10172๋ฒˆ - ๊ฐœ (java)

1. ๋ฌธ์ œ

๐Ÿ‘‰ ๋ฌธ์ œ ๋ฐ”๋กœ๊ฐ€๊ธฐ

- ์กฐ๊ฑด

์‹œ๊ฐ„ ์ œํ•œ ๋ฉ”๋ชจ๋ฆฌ ์ œํ•œ
1์ดˆ 256MB


- ๋ฌธ์ œ

์•„๋ž˜ ์˜ˆ์ œ์™€ ๊ฐ™์ด ๊ฐœ๋ฅผ ์ถœ๋ ฅํ•˜์‹œ์˜ค.

- ์ž…๋ ฅ

์—†์Œ

- ์ถœ๋ ฅ

๊ฐœ๋ฅผ ์ถœ๋ ฅํ•œ๋‹ค.

- ์˜ˆ์ œ

ย ย ์ž…๋ ฅย ย  ย ย  ์ถœ๋ ฅย ย 
ย  image





2. ํ’€์ด

๋ฐ”๋กœ ์ง์ „์— ์˜ฌ๋ฆฐ ๊ณ ์–‘์ด ๋ฌธ์ œ์™€ ๊ฑฐ์˜ ๊ฐ™์€ ๋ฌธ์ œ์ด๋‹ค.
๋ฐฑ์ค€ 10171๋ฒˆ ๊ณ ์–‘์ด โ† ์—ฌ๊ธฐ๋ฅผ ์ฐธ๊ณ ํ•˜๋ฉด ๋œ๋‹ค.


์œ„์— ๊ธ€์—์„œ๋„ ์–ธ๊ธ‰ํ–ˆ์ง€๋งŒ
์ž๋ฐ”์—์„œ ๋ฐฑ์Šฌ๋ž˜์‹œ( \ )์™€ ๋”ฐ์˜ดํ‘œ( ' , " ) ๋“ฑ์€ ๊ทธ ์ž์ฒด๋งŒ์œผ๋กœ ์ถœ๋ ฅ๋˜์ง€ ์•Š๋Š” ๋ฌธ์ž์ด๋‹ค.
์ด๋Ÿฌํ•œ ๋ฌธ์ž๋ฅผ ์ถœ๋ ฅํ•˜๊ธฐ ์œ„ํ•ด ๋ฌธ์ž ์•ž์— ๋ฐฑ์Šฌ๋ž˜์‹œ( \ )๋ฅผ ๋„ฃ์–ด์ฃผ๋Š”๋ฐ, ๋ฐฑ์Šฌ๋ž˜์‹œ์™€ ๋ฌธ์ž์˜ ์กฐํ•ฉ์„ ์ด์Šค์ผ€์ดํ”„ ์‹œํ€€์Šค(Escape Sequence)๋ผ๊ณ  ํ•œ๋‹ค.


[์ด์Šค์ผ€์ดํ”„ ์‹œํ€€์Šค]

ย ย ์ž…๋ ฅย ย  ย ย  ์ถœ๋ ฅย ย 
\ \ |
\ โ€˜ โ€™
\ โ€œ โ€
\n ์ค„ ๋ฐ”๊ฟˆ
\r ์ค„์˜ ๋งจ ์ฒ˜์Œ์œผ๋กœ
\t ํƒญ
\b ์ปค์„œ๋ฅผ ํ•œ ๋ฌธ์ž ์•ž์œผ๋กœ(backspace)
\0 ๋นˆ์นธ(null)




3๊ฐ€์ง€ ๋ฐฉ๋ฒ•์„ ์‚ฌ์šฉํ•ด์„œ ์ถœ๋ ฅ์„ ํ•ด๋ณด๋ ค ํ•œ๋‹ค.

  1. System ํด๋ž˜์Šค
  2. BufferedWriter ํด๋ž˜์Šค
  3. StringBuilder ํด๋ž˜์Šค


- 1. System ํด๋ž˜์Šค

๊ฐœ ๊ทธ๋ฆผ ๋ฌธ์ž์—ด์€ ์œ„ ๋ฌธ์ œ์˜ ์˜ˆ์ œ ์ถœ๋ ฅ์„ ๋“œ๋ž˜๊ทธํ•ด์„œ ๋ณต์‚ฌํ•˜๋ฉด ๋œ๋‹ค.
๊ฐ€๋…์„ฑ์„ ๋†’์ด๊ธฐ ์œ„ํ•ด โ€˜\nโ€™ ์„ ์ง€์šฐ๊ณ  ๊ฐ ํ–‰๋งˆ๋‹ค println()์„ ์‚ฌ์šฉํ–ˆ๋‹ค.

public class Main {
	public static void main(String[] args) {

		System.out.println("|\\_/|");
		System.out.println("|q p|   /}");
		System.out.println("( 0 )\"\"\"\\");
		System.out.println("|\"^\"`    |");
		System.out.println("||_/=\\\\__|");   
	}
}





- 2. BufferedWriter ํด๋ž˜์Šค

import java.io.BufferedWriter;
import java.io.OutputStreamWriter;
import java.io.IOException;
 
public class Main {
                                              //์˜ˆ์™ธ์ฒ˜๋ฆฌ
	public static void main(String[] args) throws IOException {
		BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));

		bw.write("|\\_/|");
		bw.newLine();	// ๊ฐœํ–‰(์ค„ ๋ฐ”๊ฟˆ)
		
		bw.write("|q p|   /}");
		bw.newLine();	
        
		bw.write("( 0 )\"\"\"\\");
		bw.newLine();
        
		bw.write("|\"^\"`    |");
		bw.newLine();

		bw.write("||_/=\\\\__|");
        
		bw.flush(); //๋ฒ„ํผ๋ฅผ ๋น„์šฐ๊ณ  ํ•œ๋ฒˆ์— ์ถœ๋ ฅ
		bw.close();
	}
}

write() ๋ฉ”์„œ๋“œ ์•ˆ์— ์ถœ๋ ฅํ•˜๊ณ ์ž ํ•˜๋Š” ๋ฌธ์ž์—ด์„ ์“ด๋‹ค.

newLine() ๋ฉ”์„œ๋“œ๋กœ ๊ฐœํ–‰์„ ํ•ด์ค€๋‹ค. ๋˜๋Š”, write() ์•ˆ์— โ€˜\nโ€™์„ ๋ถ™์—ฌ์ค˜๋„ ๋œ๋‹ค.

flush() ๋ฉ”์„œ๋“œ๋กœ ์ŠคํŠธ๋ฆผ์— ๋“ค์–ด์žˆ๋Š” ๋ฐ์ดํ„ฐ๋ฅผ ๋น„์šฐ๊ณ  ์ถœ๋ ฅํ•œ๋‹ค.

close() ๋ฉ”์„œ๋“œ๋กœ ์‚ฌ์šฉํ•œ ์ŠคํŠธ๋ฆผ์„ ์ข…๋ฃŒํ•˜๊ณ  ์ž์›์„ ๋ฐ˜ํ™˜ํ•œ๋‹ค.




- 3. StringBuilder ํด๋ž˜์Šค

public class Main {
	public static void main(String[] args){
 
		StringBuilder sb = new StringBuilder();

		sb.append("|\\_/|\n");
		sb.append("|q p|   /}\n");
		sb.append("( 0 )\"\"\"\\\n");
		sb.append("|\"^\"`    |\n");    
		sb.append("||_/=\\\\__|\n"); 
		
		System.out.println(sb);
	}
}

StringBuilder๋Š” ๊ฐœํ–‰ํ•ด์ฃผ๋Š” ๋ฉ”์†Œ๋“œ๊ฐ€ ์—†๊ธฐ ๋•Œ๋ฌธ์— ๊ฐ ๋ฌธ์ž์—ด์˜ ๋์— \n ์œผ๋กœ ๊ฐœํ–‰์„ ํ•ด์ค€๋‹ค.

append() ๋ฉ”์„œ๋“œ๋Š” ๋’ค์— ๊ณ„์†ํ•ด์„œ ๋ฌธ์ž์—ด์„ ์ถ”๊ฐ€ํ•ด์ฃผ๋Š” ํ•จ์ˆ˜์ด๋‹ค.





๊ด€๋ จ ํŽ˜์ด์ง€




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