Java IO Tutorial - Java ObjectInputStream.readUTF()

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Syntax

ObjectInputStream.readUTF() has the following syntax.

public String readUTF()  throws IOException

Example

In the following code shows how to use ObjectInputStream.readUTF() method.

/*ww w  . jav  a  2  s .com*/
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

public class Main {

  public static void main(String[] args) throws Exception {

    String s = "Hello World from java2s.com!";

    FileOutputStream out = new FileOutputStream("test.txt");
    ObjectOutputStream oout = new ObjectOutputStream(out);

    oout.writeUTF(s);
    oout.writeUTF("This is an example from java2s.com");
    oout.flush();
    oout.close();
    ObjectInputStream ois = new ObjectInputStream(new FileInputStream(
        "test.txt"));

    System.out.println(ois.readUTF());

    System.out.println(ois.readUTF());
    ois.close();
  }
}

The code above generates the following result.

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