OnJava8-Examples/iostreams/TestEOF.java

// iostreams/TestEOF.java
// (c)2021 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
// Testing for end of file
// {VisuallyInspectOutput}
import java.io.*;

public class TestEOF {
  public static void main(String[] args) {
    try(
      DataInputStream in = new DataInputStream(
        new BufferedInputStream(
          new FileInputStream("TestEOF.java")))
    ) {
      while(in.available() != 0)
        System.out.write(in.readByte());
    } catch(IOException e) {
      throw new RuntimeException(e);
    }
  }
}