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[Java] BufferedWriter bw.write() ํ•  ๋•Œ๋Š” ๋ฌธ์ž์—ด๋งŒ ๋„ฃ์„ ์ˆ˜ ์žˆ๋‹ค. ์ •์ˆ˜ ๋„ฃ์„ ๋•Œ ์ฃผ์˜์‚ฌํ•ญ

ํ•ด๋ฒ„๋‹ˆ 2023. 11. 20. 09:12
๋ฐ˜์‘ํ˜•

 

 

 

 

 

 

 

 

์•Œ๊ณ ๋ฆฌ์ฆ˜ ๋ฌธ์ œ๋ฅผ ํ’€๋˜ ์ค‘, ์กฐ๊ธˆ ๋” ๋น ๋ฅธ ์†๋„๋ฅผ ๋‚ด๊ธฐ ์œ„ํ•ด์„œ Sysout๋ง๊ณ  BufferedWriter๋ฅผ ์‚ฌ์šฉํ–ˆ๋‹ค. 

Sysout๊ณผ ๋น„์Šทํ•˜๊ฒŒ ์“ฐ๋ฉด ๋˜๊ฒ ์ง€~ ๋ผ๊ณ  ์ƒ๊ฐํ•˜๊ณ  ๋ƒ…๋‹ค ์ •์ˆ˜๋ฅผ ๋„ฃ์—ˆ๋‹ค.

 

 

package algorithm;

import java.io.BufferedWriter;
import java.io.IOException;
import java.io.OutputStreamWriter;

public class test1 {
    public static void main(String[] args) throws IOException {
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
        
        int answer = 0;
        answer++;
        
        bw.write(answer);
        bw.flush();
        bw.close();
    }
}

์ด๋ ‡๊ฒŒ ์ž…๋ ฅํ–ˆ์„ ๋•Œ ์ถœ๋ ฅ ๊ฒฐ๊ณผ๊ฐ€ ์ด์ƒํ•˜๊ฒŒ ์ถœ๋ ฅ ๋๋‹ค.

 

 

 

 

๋ ์šฉ...! ์ด๋ ‡๊ฒŒ ์ด์ƒํ•œ ๋ชจ์–‘์ด ๋œฌ๋‹ค. 

 

 

 

 

 

 

 

 

 

์•Œ๊ณ ๋ณด๋‹ˆ bw.write์—๋Š” ๋ฌธ์ž์—ด๋งŒ ๋„ฃ์„ ์ˆ˜ ์žˆ๋‹ค. 

๊ทธ๋ž˜์„œ ๋ฌธ์ž๋กœ ๋ฐ”๊ฟ”์ค€ ํ›„ ์ถœ๋ ฅํ•ด์•ผ ํ•œ๋‹ค. 

package algorithm;

import java.io.BufferedWriter;
import java.io.IOException;
import java.io.OutputStreamWriter;

public class test1 {
    public static void main(String[] args) throws IOException {
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
        
        int answer = 0;
        answer++;
        
        bw.write(String.valueOf(answer));
        bw.flush();
        bw.close();
    }
}

 

 

 

 

 

 

 

 

bw.write(String.valueOf(answer));

// String.valueOf()๋กœ ์ˆซ์ž๋ฅผ String์œผ๋กœ ๋งŒ๋“ค์–ด์ฃผ๊ธฐ!

๋ฐ”๊ฟ”์„œ ์ถœ๋ ฅํ•˜๋‹ˆ ์ œ๋Œ€๋กœ ์ถœ๋ ฅ๋˜๋Š” ๊ฑธ ๋ณผ ์ˆ˜ ์žˆ๋‹ค.

 

 

 

 

๋ -!- 

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