List of Java Programs

Here is the list of all Java programs available in this blog. You can find basic level programs as well as advanced level programs. All of these programs have been categorised below. Click on the buttons inside the tabbed menu to explore those categories.


    Basic

  1. Hello, World! Program
  2. Addition, subtraction, multiplication and division
  3. Convert a character to ASCII value
  4. Convert ASCII value to a character
  5. Compute Quotient and Remainder
  6. Swap two numbers without third variable
  7. Swap two numbers using third variable
  8. Swap two numbers using X-OR
  9. Fahrenheit to Celsius conversion
  10. Centigrade to Fahrenheit conversion
  11. Simple interest
  12. Calculate percentage of a number
  13. Conversion between Kilograms and Grams

    14. Decision making

  14. Check vowel or consonant
  15. Check if a character is a digit
  16. Conversion between uppercase and lowercase letter
  17. Check if a number is positive or negative
  18. Check if a number is even or odd
  19. Find largest among three numbers
  20. Check if a number is a perfect square
  21. Check leap year
  22. Simple calculator
  23. Calculate profit and loss
  24. Roots of quadratic equation
  25. Find the letter grade of a student
  26. Find the age group
  27. Calculate income tax
  28. Display month according to input number
  29. Conversion between 12-hour and 24-hour time format

    30. Loop & Recursion

  30. Print natural numbers from 1 to N
  31. Print natural numbers using recursion
  32. Sum of first N natural numbers / Sum of series 1 + 2 + 3 + .. + N
  33. Compound interest
  34. Display N th fibonacci number
  35. Factorial of a number
  36. Sum of the digits of a number
  37. Reverse of a number
  38. Find sum and average of N numbers
  39. Display first N prime numbers
  40. Find the value of permutation and combination
  41. Find the frequency of a digit in a number
  42. Check perfect number

    43. Pattern

  43. Square pattern
  44. Rectangle pattern
  45. Rhombus pattern
  46. Half diamond pattern
  47. Diamond pattern
  48. Right triangle, Half pyramid pattern
  49. Full pyramid pattern
  50. Inverted full pyramid pattern
  51. Snake number pattern
  52. Spiral pattern
  53. Hollow rectangle pattern
  54. Hollow rhombus pattern
  55. Hollow diamond pattern
  56. Hollow pyramid pattern
  57. Floyd's triangle pattern
  58. Pascal's triangle pattern

    59. Array

  59. Find largest element
  60. Find smallest element
  61. Find sum and average of N numbers

    62. Bitwise operation

  62. Check if a number is even or odd

    63. Matrix

  63. Check equality of two matrices
  64. Matrix addition
  65. Matrix subtraction

    66. Games

  66. Rock paper scissors random approach

Case

Function & Pointer

Strings

Structure and Union

File Input/Output