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()
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