Java IO Tutorial - Java OutputStream.write(int b)

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Syntax

OutputStream.write(int b) has the following syntax.

public abstract void write(int b)   throws IOException

Example

In the following code shows how to use OutputStream.write(int b) method.

//from  w  ww . j a v  a 2  s .c  o m

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;

public class Main {

  public static void main(String[] args) {
    try {

      OutputStream os = new FileOutputStream("test.txt");

      InputStream is = new FileInputStream("test.txt");

      os.write(70);
      os.write(71);

      for (int i = 0; i < 2; i++) {
        System.out.print((char) is.read());
      }
      os.close();
      is.close();
      
    } catch (Exception ex) {
      ex.printStackTrace();
    }

  }
}

The code above generates the following result.

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