How does the JVM manage automatic memory release and garbage collection of unused objects?
Junior — Middle
269
Java
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265
What are the differences between using HashMap with synchronized methods and using ConcurrentHashMap in a multithreaded environment?
Junior — Middle
267
Explain the concept of full locking in database management and its features.
248
Explain the principle of the optimistic locking method in managing concurrent data access.
Junior — Middle
247
What behavior manifests in a program if a function calls itself without exit conditions?
Junior — Middle
231
How is the configuration and registration of a Bean carried out within the Spring Framework?
Junior — Middle
228
Can the implementation of a static method in a subclass be changed by overriding it?
Junior — Middle
221
Have you used aspect-oriented programming with Spring AOP?
Junior — Middle
218
Have you had experience using the java.util.concurrent library for thread management and synchronization?
Junior — Middle
217
Which dependency injection method for Beans in Spring is considered most recommended?
Junior — Middle
209
Is it possible to change the return type of a method when overloading it if the methods have the same parameter list?
Junior — Middle
206
How do static methods in object-oriented programming differ from methods overridden in subclasses?
Junior — Middle
201
Have you used parallel streams in Stream API for data processing?
Junior — Middle
201
Can you describe the main types of operations available in Java's Stream API?
Junior — Middle
201
How are the equals and hashCode methods related in Java, and why is it important to implement them correctly together?
Junior — Middle
198
Why is it recommended to override the equals and hashCode methods simultaneously in Java?
Junior — Middle
198
How does initialization and addition of elements occur in the JVM stack?
Junior — Middle
195
Should the equals method be overridden in JPA entities to ensure correct object comparison?
Junior — Middle
195
Is it necessary to implement the hashCode method in JPA entities to ensure correct operation in collections?
Junior — Middle
194
What exactly does the garbage collector free: heap memory area or stack?
Junior — Middle
194