The app offers multiple-choice questions in Java, C, C++, .Net, and Php to assess programming abilities. Users can view their performance after submitting a test, with questions categorized by difficulty level.
Learn programming concepts through a functional language with global and local variables. Test calculations using polish notation and recursion. Use arrays for data manipulation.
Learn programming with code examples for and SQL. Access tutorials on substring extraction, generic methods, database queries, table joins, grouped data sorting, and SQL Server data types. Find curated code from books and trusted online sources.