Type of beans? Session beans (stateless, stateful, singleton) Intercepting Filter Pattern messaging/queue/ streaming if you use in architecture Java 9 feature? How do you do TDD? How you make sure? How do you send passwords to API? How does SSL work? Java Stack and Heap memory How do you build img in docker Java pass by value or ref? How does sql index work? Binary tree search time? Design class that you just have K number of your obj? Object Pool Design Pattern Benefit of immutable obj? String vs StringBuilder vs StringBuffer? Spring Boot version Coding: Sequence in array that sum = K Some code related implement equals for Object in java

asked about my experience with embedded devices programming