DataOutputStream writeBoolean(boolean) in Java

writeBoolean(boolean): This method is available in the java.io.DataOutputStream class of Java.

Syntax:

void java.io.DataOutputStream.writeBoolean(boolean v) throws IOException

This method takes one argument. This method writes a boolean to the underlying output stream as a 1-byte value. The value true is written out as the value (byte)1; the value false is written out as the value (byte)0.

Note:

If no exception is thrown, the counter written is incremented by 1.

Parameters: One parameter is required for this method.

v: a boolean value to be written.

Throws:

IOException - if an I/O error occurs.

Approach

Java

import java.io.DataOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;

public class DataOutputStreamwriteBoolean {
    public static void main(String[] args) throws IOException {

        FileOutputStream file = new FileOutputStream("D:\\hello.txt");
        DataOutputStream data = new DataOutputStream(file);

        boolean v = true;
        data.writeBoolean(v);
        System.out.println("Successfully writes");
        data.close();

    }
}

Output:

Successfully writes