Convert Long into Integer

Solve long to integer java by using the below code:

  Integer i = theLong != null ? theLong.intValue() : null;

or if you don't require to suffer regarding null:

  // auto-unboxing does not go from

Long to int directly, so

  Integer i = (int) (long) theLong;

And in both circumstances, you sway run into overflows (because a Long can get a wider variety than an Integer).

Java 8 has a helper way that verifies for overflow (you get an exception in that case):

  Integer i = theLong == null ? null : Math.toIntExact(theLong);