Glassdoor users rated their interview experience at O2Biz Services as 50% positive with a difficulty rating score of 4 out of 5 (where 5 is the highest level of difficulty). Candidates interviewing for Java Developer Intern and Junior Java Developer rated their interviews as the hardest, whereas interviews for Java Developer Intern and Junior Java Developer roles were rated as the easiest.
The first round was an aptitude test consisting of 30 questions to be completed within a duration of one hour. The second round involved solving coding problems on paper, followed by a verbal interview focusing on core Java concepts and JDBC.
The interview process consisted of two rounds. The first round was an aptitude test, which included reasoning questions and multiple-choice questions focused on core Java concepts. The second round was a technical interview, conducted in a conversational format.
Interview questions [1]
Question 1
Which Java 8 feature is used to sort elements in a collection based on a comparator