ObjectInputStream readBoolean() method in Java with examples
Last Updated :
28 May, 2019
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The readBoolean() method of the ObjectInputStream class in Java reads a boolean from the stream.
Syntax:
Java
Output:
Reference: https://docs.oracle.com/javase/10/docs/api/java/io/ObjectInputStream.html#readBoolean()
public boolean readBoolean()Parameters: This method does not accept any parameter. Return Value: This method returns the boolean that has been read. Errors and Exceptions: The function throws two exceptions which is described below:
- EOFException: The function is thrown if the end of file is reached.
- IOException: The function is thrown if an I/O error has occurred.
// Java program to illustrate
// the above method
import java.io.*;
public class GFG {
public static void main(String[] args)
{
try {
// create a new file
// with an ObjectOutputStream
FileOutputStream out
= new FileOutputStream("gopal.txt");
ObjectOutputStream out1
= new ObjectOutputStream(out);
// write
out1.writeUTF("Geeks for Geeks");
// Flushes the stream
out1.flush();
// create an ObjectInputStream
// for the file
ObjectInputStream example
= new ObjectInputStream(
new FileInputStream("gopal.txt"));
// Read from the stream
for (int i = 0; i < example.available();) {
System.out.print("" + (char)example.read());
}
}
catch (Exception ex) {
ex.printStackTrace();
}
}
}
// Java program to illustrate
// the above method
import java.io.*;
public class GFG {
public static void main(String[] args)
{
try {
// create a new file
// with an ObjectOutputStream
FileOutputStream out
= new FileOutputStream("gopal.txt");
ObjectOutputStream out1
= new ObjectOutputStream(out);
// write
out1.writeUTF("Geeks for Geeks");
// Flushes the stream
out1.flush();
// create an ObjectInputStream
// for the file
ObjectInputStream example
= new ObjectInputStream(
new FileInputStream("gopal.txt"));
// Read from the stream
for (int i = 0; i < example.available();) {
System.out.print("" + (char)example.read());
}
}
catch (Exception ex) {
ex.printStackTrace();
}
}
}
