Ikm Java 8 Test Updated Instant

The old test asked about the difference between map() and flatMap() . The new test presents complex stream pipelines and asks for the or a compile error .

The screen went black for a heartbeat. Then, the summary appeared. The score was high. The "Proficient" badge glowed in the corner. ikm java 8 test updated

You should be able to rewrite any anonymous inner class as a lambda, and any simple lambda as a method reference. Example: The old test asked about the difference between