amrita2125 / nolimitcrewjava

Languages and Tools:

Java Programming Challenges

Welcome to a collection of fundamental Java programming challenges! These exercises are designed to help you practice and improve your Java programming skills. Each challenge comes with a brief description and a code snippet to get you started.

Basic Concepts

1. Factorial

Find and display the factorial of a given number.

2. Even or Odd

Check if a number is even or odd.

3. Prime Number Check

Check if a number is prime.

4. Largest Among Three

Find and display the largest among three numbers.

5. Smallest Among Three

Find and display the smallest among three numbers.

Mathematical Operations

6. Square Root

Calculate and display the square root of a number.

7. Power

Calculate and display the result of a^b.

8. Sum of Even Numbers

Find and display the sum of all even numbers between 1 and N.

9. Sum of Odd Numbers

Find and display the sum of all odd numbers between 1 and N.

10. Average of N Numbers

Calculate and display the average of N numbers.

11. GCD (Greatest Common Divisor)

Find and display the GCD of two numbers.

12. LCM (Least Common Multiple)

Find and display the LCM of two numbers.

String Manipulation

13. Reverse a String

Reverse and display a given string.

14. Palindrome Check

Check if a string is a palindrome.

15. Count Vowels and Consonants

Count and display the number of vowels and consonants in a string.

16. Convert to Uppercase

Convert a lowercase string to uppercase.

17. Convert to Lowercase

Convert an uppercase string to lowercase.

18. String Length

Calculate and display the length of a string.

19. String Concatenation

Concatenate two strings.

20. Substring Check

Check if a string contains a specific substring.

21. Remove Spaces

Remove spaces from a string.

22. Count Words

Count the number of words in a string.

List Manipulation

23. Largest Element

Find and display the largest element in a list.

24. Smallest Element

Find and display the smallest element in a list.

25. Sum of List Elements

Calculate and display the sum of all elements in a list.

26. Average of List Elements

Calculate and display the average of elements in a list.

27. Element Search

Search for an element in a list.

28. Ascending Sort

Sort a list in ascending order.

29. Descending Sort

Sort a list in descending order.

30. Second Largest Element

Find and display the second largest element in a list.

31. Second Smallest Element

Find and display the second smallest element in a list.

Advanced Topics

32. Fibonacci Series

Generate and display the Fibonacci series up to N terms.

33. Binary Search

Implement a binary search algorithm for a sorted list.

34. Triangle Area

Calculate and display the area of a triangle given its base and height.

35. Circle Area

Calculate and display the area of a circle given its radius.

36. Rectangle Area

Calculate and display the area of a rectangle given its length and width.

37. Square Area

Calculate and display the area of a square given its side length.

Number Conversions

38. Decimal to Binary

Convert a decimal number to binary.

39. Binary to Decimal

Convert a binary number to decimal.

40. Decimal to Hexadecimal

Convert a decimal number to hexadecimal.

41. Hexadecimal to Decimal

Convert a hexadecimal number to decimal.

42. Sum of Digits

Calculate and display the sum of digits of a number.

43. Product of Digits

Calculate and display the product of digits of a number.

44. Palindrome Check for Numbers

Check if a number is a palindrome.

45. Prime Factors

Find and display the prime factors of a number.

Bonus Challenge

46. Simple Calculator

Implement a simple calculator (addition, subtraction, multiplication, division).

47. Prime Numbers

Generate the first N prime numbers.

Feel free to pick any challenge that interests you and start coding! Happy coding! ☕️