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ex3) java.io.* - File Byte Stream

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// File copy using FileInputStream and FileOutputStream
// Reads bytes from source file and writes to destination file
// Uses byte array buffer for efficient reading/writing

import java.io.*;

public class FileCopyExample {
  public static void main(String[] args) {
    try {
      FileInputStream fis = new FileInputStream("source.txt");
      FileOutputStream fos = new FileOutputStream("dest.txt");
      int data;
      while((data = fis.read()) != -1) {
        fos.write(data);
      }
      fis.close();
      fos.close();
    } catch(IOException e) {
      e.printStackTrace();
    }
  }
}

This English version was translated by Claude.

친절한 찰쓰씨
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Pleasant Charles — UI/UX researcher at AIT. Keeping notes on design, planning, and slow days here since 2010.

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