Top 10 String Interview Questions

Top 10 String Interview Questions with Solutions

Along with array and other data structures, Strings is another popular topic. The good thing about strings is that if you know how to solve array-based questions you can easily solve a string-based question because the string is nothing but a series of a character array.

From the above figure, it is easy to understand strings.

Here are some of the most frequently asked string-based questions:

1. Remove all blank spaces from a string? (Solution)
2. Print duplicate characters from a string? (Solution)
3. Check if two strings are an anagram of each other? (Solution)
4. Check if a string is a palindrome? (Solution)
5. Count the occurrence of a given character in a string? (Solution)
6. Find all permutation of a string? (Solution)
7. Check if two strings are rotation of each other? (Solution)
8. Count a number of vowels and the number of consonants from a string? (Solution)
9. Find the length of the longest substring without repeating character? (Solution)
10. How to reverse words in a sentence without using any library? (Solution)

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To solve more problems on Array please check out this article "Top 10 Array Interview Questions".

All the Best!