These questions test your theoretical knowledge of the Java language and frameworks like Spring or Hibernate.

Marcus pointed to the first question on the sheet. It was a classic TestDome problem involving a User class.

Find the character that appears most frequently in a string. If there is a tie, return the first character that reaches that frequency.

Write a method that reads of a file efficiently. Return empty string if file is empty or not found.

return new int[] {}; // not reached given "exactly one solution" } }