Important Basic Java Programs
Set 1
- Fibonacci Series (with & without recursion)
- Prime numbers or Not
- Palindrome Number & Palindrome String
- Factorial Number
- Armstrong Number
Set 2
6. Odd or Even Number
7. Sum of the digits & Sum of the natural numbers
8. Swapping of two numbers (with & without using third variable)
9. Number is strong or not
10. Perfect Number or Not
11. Harshad Number Program
Set 3
12. Matrix Multiplication & Multiplication Table
13. Reversing of Number & Reverse a String (with & without using inbuilt functions)
14. Program to Convert Decimal to Binary & Binary to Decimal + Hexadecimal
15. Program for Leap Year or Not
16. Simple Calculator
17. Area of Circle, Rectangle & Triangle
Set 4
18. Temperature Convertor [Fahrenheit to Celsius] + Vice-Verse
19. Grade Calculator
20. Vowels or Consonants Checker (count vowels and consonants / vowel is present in a string or not)
21. Fizz buzz Program
22. Anagram Checker
Set 5
23. GCD of two numbers & LCM
24. Count Occurrence of a Character in a String
25. Check Two Strings are Relation of Each Other
26. Binary Search Program
27. Bubble Sort Program
Set 6
28. Convert an array into a Zig-zag Pattern
29. Remove & Find Duplicates from an Array
30. Second Largest Element in an Array
31. Find the Missing Number in an Array
32. Merge Sorted Array
Set 7
33. Sum of an Array using Recursion
34. Maximum Subarray Sum (Kadane’s Algorithm)
35. Program for Duplicate Characters in a String
36. Program to Remove all white spaces (with & without using buit in functions)
37. How to solve Diamond Problem in Inheritance Program
38. Pattern Printing (Popular any 5)
39. How to generate random number in Java
Set 8
40. Spy Number in Java
41. Automorphic Number in Java
42. Peterson Number in Java
43. Program to find smallest & largest of three numbers (Using Ternary Operator)
44. Type Conversion Program
