ObjectInputStream read() method in Java with examples
Last Updated :
28 May, 2019
The read() method of the ObjectInputStream class in Java reads a byte of data. This method wont run if there is no data.
Syntax:
public int read()
Parameters: This method does not accept any parameter.
Return Value: This method returns the byte read, or -1 if the end of the stream is reached.
Exceptions: The function throws an IOException if an I/O error has occurred.
Below program illustrate the above method:
Program 1:
import java.io.*;
public class GFG {
public static void main(String[] args)
{
try {
FileOutputStream out
= new FileOutputStream( "gopal.txt" );
ObjectOutputStream out1
= new ObjectOutputStream(out);
out1.writeUTF( "Geeks for Geeks" );
out1.flush();
ObjectInputStream example
= new ObjectInputStream(
new FileInputStream(
"gopal.txt" ));
for ( int i = 0 ; i < example.available();) {
System.out.print( "" + ( char )example.read());
}
}
catch (Exception ex) {
ex.printStackTrace();
}
}
}
|
Output:
Reference: https://docs.oracle.com/javase/10/docs/api/java/io/ObjectInputStream.html#read()
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