Java

Creating list B from A with an even y field and calculating y = 3·x/2

Junior — Senior

Формат кода

Checking the possibility of converting a string in a single edit

Junior — Senior

МТС

Analysis of argument passing in Java method

Displaying the hierarchy of JPA entities in database tables

Determining the integer part of the square root of a number

Refactoring code considering differences between List<? extends>, List<? super>, and specific types

Stream API: filtering and transforming elements

Algorithm for selecting an instance for an incoming request

SQL query and use of reserved names

Determining the longest substring with unique characters

Maximum length of a substring without repeating characters

Filtering a list of duplicate elements

Removing duplicates without using extra memory

Online Conference Organization and Broadcasting System

Sorting an array of strings with priority for characters «s» and «k»

Junior — Senior

IT One

Creating a byte array according to FizzBuzz rules

Implementation of the computer purchase method

The impact of changing key object fields on HashMap operation

Getting N largest elements from a dynamic array

Database challenges in a microservices environment