Java IO Tutorial - Java DataOutputStream .writeUTF (String str)

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Syntax

DataOutputStream.writeUTF(String str) has the following syntax.

public final void writeUTF(String str)   throws IOException

Example

In the following code shows how to use DataOutputStream.writeUTF(String str) method.

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

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;

public class Main {
  public static void main(String[] args) throws IOException {
    String[] s = { "Hello", "from java2s.com!" };
    FileOutputStream fos = new FileOutputStream("c:\\test.txt");
    DataOutputStream dos = new DataOutputStream(fos);

    for (String j : s) {
      dos.writeUTF(j);
    }

    dos.flush();

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

    DataInputStream dis = new DataInputStream(is);

    while (dis.available() > 0) {
      String k = dis.readUTF();
      System.out.print(k);
    }
  }
}

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