Java.io.CharArrayReader.ready() Method

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Description

The java.io.CharArrayReader.ready() method validates if the stream is ready to be read. Character Array Readers are always ready to be read.

Declaration

Following is the declaration for java.io.CharArrayReader.ready() method −

public boolean ready()

Parameters

NA

Return Value

Returns true, if the next read is guraneeted not to block for input.

Exception

IOException − If any I/O error occurs.

Example

The following example shows the usage of java.io.CharArrayReader.ready() method.

package com.tutorialspoint;

import java.io.CharArrayReader;
import java.io.IOException;

public class CharArrayReadDemo {
   public static void main(String[] args) {      CharArrayReader car = null;
      char[] ch = {'A', 'B', 'C', 'D', 'E'};
      
      try {
         // create new character array reader
         car = new CharArrayReader(ch);
         
         // test whether the stream is ready to be read
         boolean isReady = car.ready();
         
         // print
         System.out.println("Ready ? "+isReady);
         
      } catch(IOException e) {
         // if I/O error occurs
         e.printStackTrace();
      } finally {
         // releases any system resources associated with the stream
         if(car!=null)
            car.close();
      }
   }
}

Let us compile and run the above program, this will produce the following result −

Ready ? true