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. Print all numbers in a range
  34. Compound interest
  35. Display N th fibonacci number
  36. Factorial of a number
  37. Count no of digits
  38. Power of a number
  39. Sum of the digits of a number
  40. Reverse of a number
  41. Find sum and average of N numbers
  42. Check a number is a palindrome or not
  43. Check a number is a prime or not
  44. Display first N prime numbers
  45. Display prime numbers between interval
  46. Find the value of permutation and combination
  47. Find the frequency of a digit in a number
  48. Display multiplication table
  49. Check perfect number

    50. Pattern

  50. Square pattern
  51. Rectangle pattern
  52. Rhombus pattern
  53. Half diamond pattern
  54. Diamond pattern
  55. Right triangle, Half pyramid pattern
  56. Full pyramid pattern
  57. Inverted full pyramid pattern
  58. Snake number pattern
  59. Spiral pattern
  60. Hollow rectangle pattern
  61. Hollow rhombus pattern
  62. Hollow diamond pattern
  63. Hollow pyramid pattern
  64. Floyd's triangle pattern
  65. Pascal's triangle pattern

    66. Array

  66. Find largest element
  67. Find smallest element
  68. Find sum and average of N numbers

    69. Bitwise operation

  69. Check if a number is even or odd

    70. Matrix

  70. Check equality of two matrices
  71. Matrix addition
  72. Matrix subtraction

    73. Geometry

  73. Calculate the Area, Perimeter and Diagonal of a square

    74. Games

  74. Rock paper scissors random approach

    75. Miscellaneous

  75. Multiply large numbers

Case

Function & Pointer

Strings

Structure and Union

File Input/Output

Miscellaneous

  1. Multiply large numbers