What should I learn for competitive programming in Java?

Java tricks for competitive programming (for Java 8)

1. Checking if the number is even or odd without using the \% operator:
2. Fast Multiplication or Division by 2.
3. Swapping of 2 numbers using XOR:
4. Faster I/O:
5. For String manipulations:
6. Calculating the most significant digit:

How do I start competitive programming?

How to Get Started with Competitive Programming?

1. Learn the Preferred Programming Language.
2. Learn Data Structures & Algorithms.
3. Start Practicing and Solving Problems.
4. Start Participating in Coding Challenges or Contests.
5. Stay Consistent with the Process – LEARN, PRACTICE, PARTICIPATE!

Which is better C++ or Java for competitive programming?

Is C++ good for competitive programming? Yes. C++ is great for competitive programming. It is one of the most popular programming languages for competitive programming.

What are the best resources to learn competitive programming?

1. Data Structures and Algorithms 2. Coding Blocks Competitive Programming Study Material 3. Good Collection of problems by Coding Blocks 4. Must known Algorithms for Competitive Programming 5. Introduction to Programming Contests (by Jaehyun Park (Stanford ACM-ICPC coach))

How to become a competitive programmer?

Choose a language: There are several languages in computer science like C, C++, Java, Python, JavaScript, rust, go, ruby, etc. Each language has different libraries, which helps in competitive programming as they are efficient and saves time. A programmer can choose their interested language to begin with competitive programming.

What is competitive programming?

Competitive Programming: Generally competitive programming is a mind sport where everyone showcase his/her skills of problem solving under various constraints (that force everyone to think deeply or efficiently).

How easy is it to learn big integers in Java?

Beginning java is easy enough. The mechanisms for input/output, loops and variables are similar to that of C++. If you do feel like learning BigIntegers for Competitive Programming, I suggest you have a look at: There is also a playlist I have made to learn about java in the competitive programming style.