What type of alarm will you choose? 1 - countdown, 2 - particular time, 3 - exit:
countdown
Enter seconds: 1
1
0
Done!
What type of alarm will you choose? 1 - countdown, 2 - particular time, 3 - exit:
Exception in thread "main" java.io.IOException: Stream closed
    at java.base/java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:168)
    at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:334)
    at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:297)
    at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:339)
    at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:188)
    at java.base/java.io.InputStreamReader.read(InputStreamReader.java:181)
    at java.base/java.io.BufferedReader.fill(BufferedReader.java:161)
    at java.base/java.io.BufferedReader.readLine(BufferedReader.java:326)
    at java.base/java.io.BufferedReader.readLine(BufferedReader.java:392)
    at AlarmClock4.main(AlarmClock4.java:42)