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[Java] BufferedWriter bw.write() ํ ๋๋ ๋ฌธ์์ด๋ง ๋ฃ์ ์ ์๋ค. ์ ์ ๋ฃ์ ๋ ์ฃผ์์ฌํญ
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2023. 11. 20. 09:12
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์๊ณ ๋ฆฌ์ฆ ๋ฌธ์ ๋ฅผ ํ๋ ์ค, ์กฐ๊ธ ๋ ๋น ๋ฅธ ์๋๋ฅผ ๋ด๊ธฐ ์ํด์ Sysout๋ง๊ณ BufferedWriter๋ฅผ ์ฌ์ฉํ๋ค.
Sysout๊ณผ ๋น์ทํ๊ฒ ์ฐ๋ฉด ๋๊ฒ ์ง~ ๋ผ๊ณ ์๊ฐํ๊ณ ๋ ๋ค ์ ์๋ฅผ ๋ฃ์๋ค.
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 ๊ฒ ์ ๋ ฅํ์ ๋ ์ถ๋ ฅ ๊ฒฐ๊ณผ๊ฐ ์ด์ํ๊ฒ ์ถ๋ ฅ ๋๋ค.

๋ ์ฉ...! ์ด๋ ๊ฒ ์ด์ํ ๋ชจ์์ด ๋ฌ๋ค.
์๊ณ ๋ณด๋ bw.write์๋ ๋ฌธ์์ด๋ง ๋ฃ์ ์ ์๋ค.
๊ทธ๋์ ๋ฌธ์๋ก ๋ฐ๊ฟ์ค ํ ์ถ๋ ฅํด์ผ ํ๋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()๋ก ์ซ์๋ฅผ String์ผ๋ก ๋ง๋ค์ด์ฃผ๊ธฐ!
๋ฐ๊ฟ์ ์ถ๋ ฅํ๋ ์ ๋๋ก ์ถ๋ ฅ๋๋ ๊ฑธ ๋ณผ ์ ์๋ค.

๋ -!-
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