Apple Interview Question

1. Revert the sentence keeping spaces between words 2. Describe Java memory architecture. How it works. How are you catching memory leaks. 3. Check the code and find bugs. Fix them. Write tests on this code. 4. Given string of Latin letters write algorithm which will print letters that occurred more than once and amount if occurrences. Using extra memory and not using it. Tell the space and time complexity. 5. Questions about multithreading, parallelism and how OS is implementing it.