File에 텍스트(Text) 읽고 쓰기 · snowdeer's Code Holic

File에 텍스트 읽고 쓰는 예제

</pre class=”prettyprint”> import java.io.BufferedReader; import java.io.BufferedWriter; import java.io.File; import java.io.FileReader; import java.io.FileWriter;

public class FileUtil {

public synchronized static void writeTextToFile(String filepath, String text) { File file = new File(filepath); FileWriter fw = null; BufferedWriter bw = null;

try {
  fw = new FileWriter(file);
  bw = new BufferedWriter(fw);
  bw.write(text);
} catch (Exception e) {
  e.printStackTrace();
} finally {
  try {
    bw.close();
  } catch (Exception e) {
    e.printStackTrace();
  }

  try {
    fw.close();
  } catch (Exception e) {
    e.printStackTrace();
  }
}   }

public synchronized static String getTextFromFile(String filepath) { File file = new File(filepath);

StringBuilder sb = new StringBuilder();

try {
  BufferedReader br = new BufferedReader(new FileReader(file));
  String line;

  while ((line = br.readLine()) != null) {
    sb.append(line);
    sb.append('\n');
  }
  br.close();
} catch (Exception e) {
  e.printStackTrace();
}

return sb.toString();   } }

</pre>