swerWhat is the output of this program? (Assume 'inputoutput.java' file exists in the current directory)import java.io.*;class filesinputoutput { public static void main(String args[]) throws FileNotFoundException, IOException { InputStream obj = new FileInputStream("inputoutput.java"); System.out.print(obj.available()); obj.close(); }}Optionstrueprints number of bytes in filefalseprints number of characters in the file

orrect answerWhat is the output of this program? (Assume 'inputoutput.java' file exists in the current directory)import java.io.*;class filesinputoutput { public static void main(String args[]) throws FileNotFoundException, IOException { InputStream obj = new FileInputStream("inputoutput.java"); System.out.print(obj.available()); obj.close(); }}

What will be the output of the following Java program? import java.io.*; class Chararrayinput { public static void main(String[] args) { String obj = "abcdefgh"; int length = obj.length(); char c[] = new char[length]; obj.getChars(0, length, c, 0); CharArrayReader input1 = new CharArrayReader(c); CharArrayReader input2 = new CharArrayReader(c, 1, 4); int i; int j; try { while((i = input1.read()) == (j = input2.read())) { System.out.print((char)i); } } catch (IOException e) { e.printStackTrace(); } } }A) abcB) abcdC) abcdeD) none of the mentioned

What will be the output of the following Java program? package pkg; class output {public static void main(String args[]) {   StringBuffer s1 = new StringBuffer("Hello");   s1.setCharAt(1, x);   System.out.println(s1);   } }

Write a short note on FilelnputStream and FileOutputStream class.

What is the output of the following Java program?