piped stream java

public class PipedStreamExample {
	public static void main(String[] args) throws IOException, InterruptedException {
		
		final PipedInputStream pipedInputStream=new PipedInputStream();
		final PipedOutputStream pipedOutputStream=new PipedOutputStream();
		
		/*Connect pipe*/
		pipedInputStream.connect(pipedOutputStream);
		
		/*Thread for writing data to pipe*/
		Thread pipeWriter=new Thread(new Runnable() {
			@Override
			public void run() {
				for (int i = 65; i < 91; i++) {
					try {
						pipedOutputStream.write(i);
						Thread.sleep(500);
					} catch (IOException | InterruptedException e) {
						e.printStackTrace();
					}
				}		
			}
		});
		
		/*Thread for reading data from pipe*/
		Thread pipeReader=new Thread(new Runnable() {
			@Override
			public void run() {
				for (int i = 65; i < 91; i++) {
					try {
						System.out.print((char)pipedInputStream.read());
						Thread.sleep(1000);
					} catch (InterruptedException | IOException e) {
						e.printStackTrace();
					}
				}
			}
		});
		
		/*Start thread*/
		pipeWriter.start();
		pipeReader.start();
		
		/*Join Thread*/
		pipeWriter.join();
		pipeReader.join();
		
		/*Close stream*/
		pipedOutputStream.close();
		pipedInputStream.close();
		
	}
}