Some issue is there in main fulnction. iTs giving this exception even if i am returning null . pls check.
Exception in thread “main” java.util.InputMismatchException
at java.util.Scanner.throwFor(Scanner.java:864)
at java.util.Scanner.next(Scanner.java:1485)
at java.util.Scanner.nextInt(Scanner.java:2117)
at java.util.Scanner.nextInt(Scanner.java:2076)
at Main.buildList(Main.java:53)
at Main.main(Main.java:82)