Java IO Tutorial - Java ObjectInputStream.readLine()








Syntax

ObjectInputStream.readLine() has the following syntax.

@Deprecated public String readLine()  throws IOException

Example

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

//ww  w  . j a v a 2s  .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 {

    long l = 12345678909876L;

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

    // write something in the file
    oout.writeLong(l);
    oout.writeLong(987654321L);
    oout.flush();
    oout.close();

    ObjectInputStream ois = new ObjectInputStream(new FileInputStream(
        "test.txt"));


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

    ois.close();
  }
}

The code above generates the following result.