Java

Display all students with their grades

Creating a unit test for the insert method in a singly linked list

Detect defects in code without executing the Runner class

Grouping list words by anagrams

Junior — Senior

СБЕР Страхование

Report by departments and months

Sorting Map<String, Integer> by its values

User search by filter with ignoring empty parameters

Integer in Roman notation

Comparison of lists with wildcard types: extends, super, and specific type

Display of class inheritance in database tables

Proper use of key objects in HashMap

Cities where the number of clients exceeds a thousand

Men over 18 years old

Integer Object Pool and Reference Comparison

Display all clients along with their orders, including those without orders

Designing a scalable video hosting architecture

Why does HashSet not recognize an object that has already been added

Junior — Senior

СБЕР

String comparison in Java considering interning and concatenation

Determining the result of an uncontrolled counter in a multithreaded environment

Calculating the sum of digits contained in a string