Java

Can you explain the difference between polymorphism and abstraction in object-oriented programming?

Is it mandatory to specify inheritance from the base class Object in your classes in the programming language?

What methods and tools do you use to analyze log files for problems and errors?

Junior — Middle

Газпромбанк

Does caching work only with databases?

What methods can you use to verify the fulfillment of conditions in code?

Did you test your code with unit tests in your previous project?

Junior — Middle

Лига Цифровой Экономики

How is error handling done with JSTL?

Can it be considered that beans have a predefined scope level by default?

Junior — Middle

Bell Integrator

What types of projects attract your attention and interest?

Junior — Middle

Axenix

How to determine the limit on the number of elements in a queue implemented in Java?

What Spring components and modules have you used in your projects?

Junior — Middle

Формат кода

What is the reason for avoiding throwing exceptions of type RuntimeException in the code?

Do you use the Command pattern in your work?

How does the Java Virtual Machine manage and utilize memory during program execution?

Can you explain what a router is in the context of Java and what it is used for?

What is the worst-case time complexity of the contains() method for an element that is present in a LinkedList?

How can the components within the Heap structure be classified?

Where can I find the ranges of values for primitive data types in Java in the official documentation?

Can you explain the fundamental idea behind the Java memory model?

What is the purpose of the Qualifier annotation in the Spring framework for dependency injection?

Junior — Middle

AstonТехнодиасофт