Explain the mechanism of the TreeMap data structure and how it implements sorting of elements.
258
Java
14686
265
Will the JOIN FETCH operation be performed when using lazy loading?
Middle
258
Is it possible to customize readiness/liveness probes in Spring Actuator to add additional checks? If yes, how?
Senior
258
What is the difference between partitioning and sharding?
Senior
258
What criteria do you consider key when evaluating a new product?
Junior — Middle
258
What is the role and purpose of functional interfaces in programming?
258
Can you explain what Java Persistence API is and how it is used to interact with a database?
Junior — Middle
258
What effect does using the @Bean annotation on a method inside a class have on an instance of that class?
Junior — Middle
258
What is the use of flatMap in the context of Optional, and what is its main idea?
Junior — Middle
258
What value can the data type int take in size?
Junior — Middle
257
What motivates you to look for a new job and change your current employment?
Junior — Middle
257
Have you had experience working with messaging broker systems?
Junior — Middle
257
What design patterns have you used in solving specific problems in your practice?
Junior — Middle
257
Is it possible to completely clear the contents of a table by using the DELETE command, removing all records from it?
Junior — Middle
257
Do you increase container resources when expanding functionality that consumes more resources?
Junior — Middle
257
What are the differences between the Runnable and Callable interfaces in Java?
Junior — Middle
257
How have you interacted with analysts to resolve arising issues?
Junior — Middle
257
How does the sequence of execution of GROUP BY, HAVING, and WHERE operators affect the query result in SQL?
Junior — Middle
257
What is the difference between shallow and deep copying of objects?
Junior — Middle
257
Have you used the @Conditional annotation in your projects?
Junior — Middle
257