| Topic Area | Weight in Old Test | Weight in Updated Test | |------------|-------------------|------------------------| | Lambdas & Functional Interfaces | 15% | 22% | | Stream API (incl. collectors & parallel) | 12% | 18% | | java.time API | 5% | 12% | | Optional class | 8% | 9% | | Default & static methods in interfaces | 8% | 10% | | Concurrency (CompletableFuture basics) | 6% | 8% | | Collections & Generics | 18% | 10% | | Exception handling & try-with-resources | 6% | 5% | | Miscellaneous (NIO, reflection, annotations) | 22% | 6% |
The test adjusts the difficulty and number of questions based on your performance; answering correctly leads to progressively harder questions. ikm java 8 test updated