The format includes more multi-select questions. Unlike the old true/false or single-answer MCQs, these require you to evaluate multiple code snippets and choose all that compile and produce the intended result.
Data types, operators, and control flow (loops, switch). ikm java 8 test updated
Updated tests move beyond basic isPresent() checks. You will be tested on your ability to use flatMap , filter , and orElseGet (and why orElseGet is preferred over orElse when calling expensive methods). The format includes more multi-select questions
Optional<String> opt = Optional.ofNullable(null); System.out.println(opt.orElseGet(() -> "default")); and control flow (loops
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