Ikm Java 8 Test Verified
IKM shows you code snippets on a screen, NOT in an IDE. You cannot run the code. You cannot hover for Javadoc. You must compile the code in your head.
You cannot cheat the IKM system. It monitors for alt-tabbing, copy-paste, and irregular response times. However, you can prepare rigorously to ensure the test validates your actual skills. ikm java 8 test verified
Optional<String> opt = Optional.of(null); // NullPointerException!
opt = Optional.ofNullable(null); // OK -> empty optional



