Java

What is the data structure called that implements the FIFO principle?

Can you list and describe the main states a thread can be in?

Junior — Middle

Драйв КликСБЕР Корпус

What classes are subclasses of the Collection interface in Java?

Where in memory are primary type objects and variables placed?

Are Stack objects shared between different parts of a program or does each instance exist independently?

Explain what the volatile keyword means in programming and what it is used for.

Junior — Middle

Bell IntegratorСБЕРIT One+2

Have you used C++ in your projects?

What is the difference between using ArrayList and Vector in Java?

How do exceptions and errors occur in Java, and how to handle them correctly?

Can you name the main types of data aggregation operations?.

Will the value 2000 be returned if two parallel threads simultaneously increment a volatile variable initially set to zero?

What reasons contribute to the popularity of the Java language in software development?

Is it possible to create a complex index that combines several key fields?

What are the differences between Queue, Set, and List collections in terms of their usage and characteristics?

What is the purpose of the PECS method in software development?

How can the confidentiality of a password be ensured in a third-party library class?

Is it possible to embed *.jar files inside archives with *.var extension?

What is the difference between files with extensions *.var and *.jar in terms of their purpose and usage?

Are there any restrictions on using primitive types in generics?

How does the size of ArrayList change when elements are added sequentially up to a certain number?