PipedReader.ready() has the following syntax.
public boolean ready() throws IOException
In the following code shows how to use PipedReader.ready() method.
import java.io.*; //from ww w .java 2 s. com public class Main { public static void main(String[] args) { PipedWriter writer = new PipedWriter(); PipedReader reader = new PipedReader(); try { // connect the reader and the writer reader.connect(writer); writer.write(70); writer.write(71); // check if reader is ready to read System.out.println(reader.ready()); // print the char array for (int i = 0; i < 2; i++) { System.out.println("" + (char) reader.read()); } } catch (IOException ex) { ex.printStackTrace(); } } }
The code above generates the following result.