What is the purpose of the hashCode() method in Java objects, and how to use it correctly?
226
Java
14686
265
How do the isolation levels REPEATABLE READ and SERIALIZABLE differ in databases?
Middle
226
Tell about yourself, your experience, what tasks you have solved.
Senior
226
How did you participate in the software release process at your previous job?
Junior — Middle
226
Do you have a specialized education related to this field?
Junior — Middle
226
What is the time complexity of obtaining an element by its index in an array list?
226
Can you specify the total number of tables you worked with in the Kubernetes database in your previous project?
Junior — Middle
225
Explain the principle of operation of a bit map and how it is used to represent data
Junior — Middle
225
Can you name approaches that are not recommended when implementing dependencies in code?
Junior — Middle
225
What are the advantages and disadvantages of using the PUT method in HTTP requests?
Junior — Middle
225
Why is the equals() method used in Java for comparing object contents instead of the == operator?
Junior — Middle
225
Have you had experience working with multithreaded applications or tasks related to parallel data processing?
Junior — Middle
225
Can you explain what is meant by initializing the context within the Spring Framework?
Junior — Middle
225
Your resume states that you optimized the Garbage Collector and tuned JVM — what exactly did you do?
Senior
225
What level are you at now? Tell about the team level.
Senior
225
Have you had experience working with generics in your projects?
Junior — Middle
225
Have you used the Serializable interface in your projects for object serialization?
Junior — Middle
225
Can a specialist view logs in the OpenShift system?
Junior — Middle
225
How did you evaluate the load level on systems in your last project?
Junior — Middle
225
How do the main operations of ArrayList and LinkedList differ in execution time?
Junior — Middle
225