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Showing content from https://www.geeksforgeeks.org/java/datainputstream-readshort-method-in-java-with-examples/ below:

DataInputStream readShort() method in Java with Examples

Last Updated : 05 Jun, 2020

The

readShort()

method of

DataInputStream

class in Java is used to read two input bytes and returns a short value. This method reads the next two bytes from the input stream and interprets it into short type and returns.

Syntax:

public final short readShort()
                   throws IOException

Specified By:

This method is specified by the readShort() method of

DataInput

interface.

Parameters:

This method does not accept any parameter.

Return value:

This method returns the short value interpreted by the next two bytes of the input stream.

Exceptions:

EOFException - It throws EOFException if the input stream is ended before two bytes can be read.
IOException - This method throws IOException if the stream is closed or some other I/O error occurs.

Below programs illustrate readShort() method in DataInputStream class in IO package:

Program 1:

Assume the existence of file "demo.txt".

Java


 // Java program to illustrate
// DataInputStream readShort() method
import java.io.*;
public class GFG {
    public static void main(String[] args)
        throws IOException
    {

        // Create short array
        short[] buf = { 10, 20, 30, 40, 50 };

        // Create file output stream
        FileOutputStream outputStream
            = new FileOutputStream("c:\\demo.txt");

        // Create data output stream
        DataOutputStream dataOutputStr
            = new DataOutputStream(outputStream);

        for (short b : buf) {
            // Write short value to
            // the dataOutputStream
            dataOutputStr.writeShort(b);
        }

        dataOutputStr.flush();

        // Create file input stream
        FileInputStream inputStream
            = new FileInputStream("c:\\demo.txt");

        // Create data input stream
        DataInputStream dataInputStr
            = new DataInputStream(inputStream);

        while (dataInputStr.available() > 0) {
            // Print short values
            System.out.println(
                dataInputStr.readShort());
        }
    }
}

Output: Program 2:

Assume the existence of file "demo.txt".

Java


 // Java program to illustrate
// DataInputStream readShort() method
import java.io.*;
public class GFG {
    public static void main(String[] args)
        throws IOException
    {

        // Create short array
        short[] buf = { 191, 225, 480, 763, 500 };

        // Create file output stream
        FileOutputStream outputStream
            = new FileOutputStream("c:\\demo.txt");

        // Create data output stream
        DataOutputStream dataOutputStr
            = new DataOutputStream(outputStream);

        for (short b : buf) {
            // Write short value to
            // the dataOutputStream
            dataOutputStr.writeShort(b);
        }

        dataOutputStr.flush();

        // Create file input stream
        FileInputStream inputStream
            = new FileInputStream("c:\\demo.txt");

        // Create data input stream
        DataInputStream dataInputStr
            = new DataInputStream(inputStream);

        while (dataInputStr.available() > 0) {
            // Print short values
            System.out.println(
                dataInputStr.readShort());
        }
    }
}

Output: References: https://docs.oracle.com/javase/10/docs/api/java/io/DataInputStream.html#readShort()

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