Pergunta de entrevista da empresa Ola

Hackerrank round : - Finding the Xpath of an iFrame - Testing a bluetooth device - SQL query : Finding the 3d largest element - Characted count in a String - aabbbcccc should return a2b3c4 Round 1 : - Static methods explanation - Multi level inheritance vs Multiple Inheritance - Why is Java not complete OOP - Default in interfaces - Difference between folder structure and packages in java - Serialization and Synchronization