100-Java-Practice-Questions

This repository contains 100 questions to get acquainted with Java syntax.

Here's the list of questions

1. Write a Java program to print "Hello, World!" to the console.
2. Write a program that takes two numbers as input and prints their sum.
3. Write a program that checks if a given number is even or odd.
4. Write a program to calculate the factorial of a number.
5. Write a program to check if a given string is a palindrome (reads the same forwards and backwards).
6. Write a program to print the Fibonacci series up to a given number of terms.
7. Write a program to check if a given number is prime.
8. Write a program to reverse a given string.
9. Write a program to find the maximum element in an array of integers.
10. Write a program to calculate the sum of elements in an array.
11. Write a program to rotate the elements of an array to the left by a given number of positions.
12. Write a program to remove duplicate elements from an array.
13. Write a program to perform binary search on a sorted array.
14. Write a program to implement the bubble sort algorithm for sorting an array.
15. Write a program to implement the selection sort algorithm for sorting an array.
16. Write a program to implement the insertion sort algorithm for sorting an array.
17. Write a program to multiply two matrices.
18. Write a program to perform a linear search for an element in an array.
19. Write a program to reverse the elements of an array.
20. Write a program to find the common elements between two arrays.
21. Write a program to check if two strings are anagrams of each other.
22. Write a program to count the number of vowels and consonants in a given string.
23. Write a program to find the GCD of two numbers.
24. Write a program to check if a given year is a leap year.
25. Write a program to check if a given number is an Armstrong number.
26. Write a program to check if a given number is a palindromic number.
27. Write a program to check if a given number is a perfect number.
28. Write a program to find the LCM of two numbers.
29. Write a program to calculate the result of raising a number to a power.
30. Write a program to calculate the area of various shapes (circle, rectangle, triangle).
31. Write a program to check if a given number is a strong number.
32. Write a program to generate the Fibonacci series using recursion.
33. Write a program to check if a given number is a happy number.
34. Write a program to find the Nth Fibonacci number without using recursion.
35. Write a program to check if a given number is a pronic number.
36. Write a program to check if a given number is a Disarium number.
37. Write a program to find the prime factors of a given number.
38. Write a program to check if a given number is a duck number.
39. Write a program to check if a given number is a neon number.
40. Write a program to check if a given number is a spy number.
41. Write a program to count and calculate the sum of digits in a given number.
42. Write a program to check if a given number is a Harshad number.
43. Write a program to check if two arrays are disjoint sets.
44. Write a program to calculate the factorial of a number using iteration.
45. Write a program to find and display duplicate characters in a string.
46. Write a program to check if a given string is a pangram.
47. Write a program to check if a given string is a palindromic string.
48. Write a program to check if a given string is a prime string.
49. Write a program to calculate the simple interest.
50. Write a program to check if a given number is an abundant number.