Java

How does the try‑catch‑finally chain work when an exception occurs

Determining the presence of duplicate elements in an array

Junior — Senior

Aston

Finding the first non-repeating number in an array

Junior — Senior

IT One

SQL query to count the number of employees in each department

Intern — Middle

Транснефть

Displaying the order_details table in Hibernate

Different options for joining tables in SQL

Moving the counter to the first node of the list

Collection and sorting of numerical values

Finding the missing element in a shuffled array

Creating multiple constructors in a class

Check that the list size remains unchanged with an incorrect index

Modeling the queue of patients in the doctor's office

Selection of employees with total payments exceeding a specified threshold

Junior — Senior

IT One

Load monitoring and ensuring service fault tolerance

Finding the maximum height of a binary tree

Sales summary report by departments and months

Correct implementation of equals for the Exam class

Swapping values of two variables without auxiliary resources

Checking the existence of a pair of nodes with sum k in a binary search tree

Creating a classic deadlock in Java