Java tutorial
import java.io.CharArrayReader; public class Main { public static void main(String[] args) throws Exception { char[] ch = { 'A', 'B', 'C', 'D', 'E' }; CharArrayReader car = new CharArrayReader(ch); // verifies if the stream support mark() method boolean bool = car.markSupported(); System.out.println("Is mark supported : " + bool); System.out.println("Proof:"); // read and print the characters from the stream System.out.println(car.read()); System.out.println(car.read()); // mark() is invoked at this position car.mark(0); System.out.println("Mark() is invoked"); System.out.println(car.read()); System.out.println(car.read()); // reset() is invoked at this position car.reset(); System.out.println("Reset() is invoked"); System.out.println(car.read()); System.out.println(car.read()); System.out.println(car.read()); } }