Java Examples

Basic Examples

1. Java Hello World Program and Programming Style
2. Primitive Data Types and Operations in Java
   
3. Java Program to Print an Integer (Entered by the User)
4. Java Program to Add Two Integers
5. Java Program to Swap Two Numbers
6. Java Program to Compute Quotient and Remainder
7. Java Program to Calculate Surface Area of a Regular Tetrahedron
8. Find the Largest Among Three Numbers in Java
9. Declaring an Array in Java
10. Generate a Random Array of Integers in Java
    
11. Java  in Program to Find the Largest Number in an Array in Java
12. Java Program to Calculate Sum & Average of an Array
13. Java Program to Search Key Elements in an Array
14. Matrix  in Java
15. Convert Two Dimensional Array into One Dimensional Array in Java
    




Selection

16. Java if, if...else Statement
17. Java if, if...else Statement Examples
18. Java Program to Check Whether a Given Number is Even or Odd
19. Check Whether a Number is Positive or Negative in Java
    




Data Structures Examples

20. Java Program to Implement Insertion Sort 
21. Java Program to Implement Selection Sort
22. Merge Sort in Java using Divide and Conquer
23. Quick Sort in Java using Divide and Conquer
24. Binary Search (Recursive and Iterative) in Java
    
25. The n-queens Problem in Java
26. Infix to Postfix Conversion using Stack in Java
27. Implementing Linked List in Java using Array
    
28. Find Maximum and Minimum Element in Array using Divide and Conquer in Java
    
29. Array implementation of Queue in Java
30. Implement a Stack Using an Array in Java
31. Convert a Decimal Number to Binary Number using Stacks in Java
32. Java Program to Solve Knapsack Problem
33. Convert Decimal to Octal  Using Stack in Java
34. Convert Decimal to Hexadecimal using Stack in Java
    




Iteration

35. Java Program to Display Square Numbers
36. Find Factorial of a Number in Java
37. Check Whether a Number is Prime or Not in Java
38. Java Program to Check Whether a Number is Palindrome or Not
    
39. Convert a Given Decimal Number to Binary in Java
40. Nested for loop  to print the pyramid and pattern in java
41. Java Program to Display Factors of a Number
    
42. Display Fibonacci Series in Java
43. Generate Multiplication Table in Java
44. Calculate the Power of a Number in Java
    




Advanced Examples

45. Bubble Sorting in Java
    
46. Java Program to Find the Data of Birth of Given (New/Old) National Identity Card(NIC) Number 
47. Java program to check whether a string is a Palindrome using stack and queue
48. Java Program to Implement the Dynamic Programming-Rod Cutting
49. Simple Calculator in Java
50. Calculate Yesterday and Tomorrow Date without using Calendar in Java
51. Add Two Matrix Using Multi-dimensional Arrays in Java
52. Subtract Two Matrix Using Multi-dimensional Arrays in Java
53. Sparse Matrix Operations in Java
    
54. Java Program to Find All Anagrams of  Word
55. MD5 Hash Value of a String in Java
    
56. Bloom Filter to Test whether a Given Word is in a Set Java using MD5 Hashing
    
57. Convert Roman Numerals to Integer/Decimal Numbers in Java
    
58. Java Program to Find Day of the Week for a Given Date
59. Java Program to Calculate Age from Date of Birth
    




Object-Oriented Programming

60. Generic Type in Java
    
61. Find Factorial of a Number Factorial in Java
62. Java Program to Check if a given Number is Perfect Number
63. Java Program to Find the Perimeter of a Circle, Rectangle and Triangle