Main.java Source code

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Here is the source code for Main.java

Source

import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.io.PushbackInputStream;

public class Main {

    public static void main(String[] args) {
        byte[] arrByte = new byte[1024];
        byte[] byteArray = new byte[] { 'j', 'a', 'v', 'a', '2', 's', '.', 'c', 'o', 'm' };

        InputStream is = new ByteArrayInputStream(byteArray);
        PushbackInputStream pis = new PushbackInputStream(is, 10);

        try {
            // read from the buffer one character at a time
            for (int i = 0; i < byteArray.length; i++) {
                // read a char into our array
                arrByte[i] = (byte) pis.read();
                System.out.println((char) arrByte[i]);
            }
            // unread a char
            pis.unread('F');

            // read again from the buffer 
            arrByte[1] = (byte) pis.read();
            System.out.println((char) arrByte[1]);
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
}