Can you explain the concept of data partitioning in Kafka and how it is implemented?
313
Java
14621
265
What is the time complexity of searching for an element by key in a TreeMap data structure?
Junior — Middle
303
Can you explain the concept of Livelock in the context of multithreading in Java?
Junior — Middle
294
How does the Proxy pattern work and how does it differ from regular objects?
Junior — Middle
286
Explain the differences between adapter, decorator, and proxy patterns, their purposes, and areas of application.
Junior — Middle
284
From the SOLID principles, which is considered the most important and what is it used for?
Junior — Middle
284
How to correctly implement the hashCode and equals methods in a class?
276
How are parallel computations and thread management implemented in software systems?
Junior — Middle
272
Explain the concept of guaranteed message delivery in Apache Kafka.
Junior — Middle
269
What are the advantages and disadvantages of using multithreading in Java applications?
262
How many threads does a parallel Stream use in the standard API configuration?
Junior — Middle
262
Can you list the main types of relational databases that you know?
Junior — Middle
262
What is the difference between the dependency and dependencyManagement sections in a Maven configuration file?
Junior — Middle
262
What branch merging strategies have you used when working with Git?
Junior — Middle
262
Explain the purpose and features of using the volatile keyword in programming.
Junior — Middle
260
259
What is the difference between map and flatMap methods in Java Stream API and what are their usage features?
258
Explain what a SOAP web service is and how it is implemented using WSDL.
Junior — Middle
258
257
What methods are usually used to connect a Java application to a database?
Junior — Middle
255