java character for end of file

In Java, the end-of-file (EOF) character is represented by the EOF constant of the java.io.BufferedReader class. This constant is a special value that is used to indicate the end of the input stream when reading from a file or other input source.

To use the EOF constant, you can use a BufferedReader object to read characters from an input stream, and check for the EOF constant when the end of the stream is reached.

Here's an example of using a BufferedReader to read characters from a file and check for the EOF constant:

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;

public class Main {
  public static void main(String[] args) {
    try (BufferedReader reader = new BufferedReader(new FileReader("input.txt"))) {
      int ch;
      while ((ch = reader.read()) != BufferedReader.EOF) {
        // process the character
      }
    } catch (IOException e) {
      e.printStackTrace();
    }
  }
}

In this example, the BufferedReader reads characters from the file input.txt one at a time, and the while loop continues until the EOF constant is encountered, at which point the loop terminates.

Note that the EOF constant is a static field of the BufferedReader class, so you need to use the class name (BufferedReader) to access it.