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Delta Capita
Practice questions for the skills this job lists, plus common questions for any interview. These are for practice: we don’t know the employer’s actual questions.
How do equals() and hashCode() work together in a HashMap?
Java
Explain the difference between checked and unchecked exceptions.
Java
Write a query for the second-highest salary in each department.
SQL
Explain the difference between INNER, LEFT and FULL joins with an example.
SQL
How do partitions and consumer groups give Kafka its ordering and scaling guarantees?
Kafka
What happens, step by step, when you type a URL into a browser?
Networking
Explain the difference between TCP and UDP and where each is used.
Networking
What do you know about Delta Capita's products and customers?
Delta Capita
Tell me about yourself in two minutes, focused on this role.
About you
Why this company, and why this role?
About you
Tell me about a time you disagreed with a teammate. What happened?
About you
Describe a time you failed or missed a deadline, and what you changed afterwards.
About you