- Java.io package classes
- Java.io - Home
- Java.io - BufferedInputStream
- Java.io - BufferedOutputStream
- Java.io - BufferedReader
- Java.io - BufferedWriter
- Java.io - ByteArrayInputStream
- Java.io - ByteArrayOutputStream
- Java.io - CharArrayReader
- Java.io - CharArrayWriter
- Java.io - Console
- Java.io - DataInputStream
- Java.io - DataOutputStream
- Java.io - File
- Java.io - FileDescriptor
- Java.io - FileInputStream
- Java.io - FileOutputStream
- Java.io - FilePermission
- Java.io - FileReader
- Java.io - FileWriter
- Java.io - FilterInputStream
- Java.io - FilterOutputStream
- Java.io - FilterReader
- Java.io - FilterWriter
- Java.io - InputStream
- Java.io - InputStreamReader
- Java.io - LineNumberInputStream
- Java.io - LineNumberReader
- Java.io - ObjectInputStream
- Java.io - ObjectInputStream.GetField
- Java.io - ObjectOutputStream
- io - ObjectOutputStream.PutField
- Java.io - ObjectStreamClass
- Java.io - ObjectStreamField
- Java.io - OutputStream
- Java.io - OutputStreamWriter
- Java.io - PipedInputStream
- Java.io - PipedOutputStream
- Java.io - PipedReader
- Java.io - PipedWriter
- Java.io - PrintStream
- Java.io - PrintWriter
- Java.io - PushbackInputStream
- Java.io - PushbackReader
- Java.io - RandomAccessFile
- Java.io - Reader
- Java.io - SequenceInputStream
- Java.io - SerializablePermission
- Java.io - StreamTokenizer
- Java.io - StringBufferInputStream
- Java.io - StringReader
- Java.io - StringWriter
- Java.io - Writer
- Java.io package extras
- Java.io - Interfaces
- Java.io - Exceptions
- Java.io package Useful Resources
- Java.io - Discussion
Java.io.CharArrayReader.ready() Method
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
java_io_chararrayreader.htm
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