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.
Review traditional synchronization mechanisms, ReentrantLock , CountDownLatch , and atomic variables ( AtomicInteger ). Memory Management and JVM Tuning ikm java 8 test verified
Which functional interface does (x, y) -> x + y match? → BinaryOperator<Integer> (or IntBinaryOperator ) You cannot cheat the IKM system