#programming

data_usage What is the difference between a HashSet and a TreeSet in Java?

Both HashSet and TreeSet are two important classes in Java's Collection Framework that are used to store a collection of elements, but there are some... Read more

code What is the difference between a variable and a constant in Java?

In Java, a variable is a named memory location that can store a value of a specified data type. The value stored in a variable can be changed during... Read more

school What are the common topics covered in the IOI syllabus?

The International Olympiad in Informatics (IOI) is an annual international programming competition for secondary school students. The competition... Read more

school How can one prepare for the IOI competition?

Preparing for the International Olympiad in Informatics (IOI) competition requires both technical and mental preparation. The IOI is a programming... Read more

code How do I activate the Prettier formatter?

If you're looking to activate Prettier, a code formatter, in your VS Code editor, follow these steps:Open VS Code and click on the Extensions icon in... Read more

code How can I deactivate Prettier in VSCode?

If you prefer to use a different code formatter, or just want to deactivate Prettier in VSCode for any reason, follow these steps:Open the VSCode... Read more

developer_mode What is Test Driven Development (TDD)?

Test Driven Development (TDD) is a software development methodology in which the tests are written before the code. This means that the developer... Read more

code What is the purpose of the main method in Java?

The main method is a crucial part of a Java program. It is the entry point of any Java application and serves as the starting point of program... Read more

leaderboard How is the IOI competition scored?

The International Olympiad in Informatics (IOI) is an annual programming competition for secondary school students around the world. It is a... Read more

school How can one prepare for the IOI competition?

Preparing for the International Olympiad in Informatics (IOI) competition requires both technical and mental preparation. The IOI is a programming... Read more