Top 30+ Coding Interview Questions with solution 2022 – Here I will discuss you to be good at programming interviews questions. The programming interview is a winnable game. I’ll show you the tricks to quickly solve problems you’ve never seen before.

**List of Top 30+ Coding Interview Questions with solution 2022**

1.How is a bubble sort algorithm implemented?** (solution)**

2.How is a merge sort algorithm implemented? **(solution)**

3.How do you count the occurrence of a given character in a string? (**solution)**

4.How do you print the first non-repeated character from a string? **(solution)**

5.how do you convert a given String into int like the atoi()? (solution)

6.How do you implement a bucket sort algorithm?** (solution)**

7.How do you implement a counting sort algorithm?** (solution)**

8.How do you remove duplicates from an array in place? **(solution)**

9.How do you reverse an array in place in Java?** (solution)**

10.How are duplicates removed from an array without using any library?** (solution)**

## coding interview questions and answers

11.How is a radix sort algorithm implemented? **(solution)**

12.How do you swap two numbers without using the third variable?** (solution)**

13.How do you check if two rectangles overlap with each other? **(solution)**

14. How do you design a vending machine? **(solution)**

15.How do you find the missing number in a given integer array of 1 to 100? **(solution)**

16.How do you find the duplicate number on a given integer array?** (solution)**

17.How do you find duplicate numbers in an array if it contains multiple duplicates?** (solution)**

18.Difference between a stable and unstable sorting algorithm? **(answer)**

19.How is an iterative quicksort algorithm implemented? **(solution)**

20.How do you find the largest and smallest number in an unsorted integer array?** (solution)**

21.How do you reverse a linked list in place?** (solution)**

22.How to add an element at the middle of the linked list?** (solution)**

23.How do you sort a linked list in Java? **(solution)**

24.How do you find all pairs of an integer array whose sum is equal to a given number? (solution)

## coding interview questions with answers

25.How do you implement an insertion sort algorithm?** (solution)**

26.How are duplicates removed from a given array in Java? **(solution)**

27.how to remove the duplicate character from String? **(solution)**

28.How to find the maximum occurring character in a given String? **(solution)**

29.How is an integer array sorted in place using the quicksort algorithm? **(solution)**

30.How do you reverse a given string in place? **(solution)**

31.How do you print duplicate characters from a string? **(solution)**

32.How do you check if two strings are anagrams of each other?** (solution)**

33.How do you find all the permutations of a string? **(Solution)**

## Additional Reading

- Print HELLO WORLD in Java without using semicolon –
**SOLUTION** - program to Print Hello World –
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**SOLUTION** - prime number Program –
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**SOLUTION**