Adenza Java Developer interview questions

1. class vs objects in Java 2. Abstract class-related questions 3. Questions related to public, protected, and private methods 4. Guess the output for code (basic code with static variable) 5. Asked to write me code on Fibonacci without using recession and don't store it. Just print it. 6. Gave a family tree and each parent has only 2 children. Return the sibling and cousin of the desired node.