The readBoolean() method of the ObjectInputStream class in Java reads a boolean from the stream.
Syntax:
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.
Below program illustrate the above method:
Program 1:
// 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(); } }} |
Output:
Reference: https://docs.oracle.com/javase/10/docs/api/java/io/ObjectInputStream.html#readBoolean()
