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Java CharArrayReader close() Method with Example

CharArrayReader Class close() method: Here, we are going to learn about the close() method of CharArrayReader Class with its syntax and example.
Submitted by Preeti Jain, on March 27, 2020

CharArrayReader Class close() method

  • close() method is available in java.io package.
  • close() method is used to close this stream and free all system resources linked with it.
  • close() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.
  • close() method does not throw an exception at the time of closing the stream.

Syntax:

    public void close();

Parameter(s):

  • It does not accept any parameter.

Return value:

The return type of the method is void, it returns nothing.

Example:

// Java program to demonstrate the example 
// of void close() method of CharArrayReader

import java.io.*;

public class CloseOfCAR {
 public static void main(String[] args) {

  CharArrayReader car_stm = null;
  char[] c_arr = {
   'a',
   'b',
   'c',
   'd'
  };

  try {
   // Instantiates CharArrayReader
   car_stm = new CharArrayReader(c_arr);

   // By using close method is to close
   // the car_stm stream
   car_stm.close();

   // whenever we call read() method after closing
   // the stream will throw an exception
   car_stm.read();

  } catch (IOException e) {
   System.out.print("Stream closed!!!!");
  } finally {

   // Free all system resources linked
   // with the stream after closing
   // the stream

   if (car_stm != null)
    car_stm.close();
  }
 }
}

Output

Stream closed!!!!






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