public class Input {
static InputStream reader = null;
/**
* @param args
* @throws IOException
* @throws InterruptedException
*/
public static void main(String[] args) throws IOException, InterruptedException {
Test test = new Test();
test.start();
String str = "1 21";
// Scanner scan = new Scanner(System.in);
try {
reader = new ByteArrayInputStream(str.getBytes("UTF-8"));
System.setIn(reader);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
}
}
class Test extends Thread {
public void run() {
super.run();
try {
getSum();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
private void getSum() throws InterruptedException {
Scanner scan = new Scanner(System.in);
int x = scan.nextInt();
int y = scan.nextInt();
System.out.println(x + y);
scan.close();
this.interrupt();
}
}
When I am uncommeting the line, then it is throwing exception. Main thread Exception. Can you please explain why it is so? Thanks in advance.
