ByteArrayOutputStream: writeTo(OutputStream out) : ByteArrayOutputStream « java.io « Java by API

1. Java by API
2. java.io
3. ByteArrayOutputStream

ByteArrayOutputStream: writeTo(OutputStream out)

  
import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;

public class Main {
  public static void main(String args[]) throws IOException {
    int howMany = 20;
    // To avoid resizing the buffer, calculate the size of the
    // byte array in advance.
    ByteArrayOutputStream bout = new ByteArrayOutputStream(howMany * 4);
    DataOutputStream dout = new DataOutputStream(bout);

    for (int i = 0; i <= 20; i++) {
      dout.writeInt(i);
    }

    FileOutputStream fout = new FileOutputStream("fibonacci.dat");
    try {
      bout.writeTo(fout);
      fout.flush();
    } finally {
      fout.close();
    }
  }
}

   
    
  

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