Practice Strings in Java

Strings exercises

1. String Length Java exercise — Find the length of a string
2. Convert to Uppercase Java exercise — Convert a string to uppercase
3. Character at Index Java exercise — Get character at a specific position
4. Extract Substring Java exercise — Extract a portion of a string
5. Check Contains Java exercise — Check if a string contains a substring
6. Replace Characters Java exercise — Replace parts of a string
7. Reverse String Java exercise — Reverse a string
8. String Palindrome Java exercise — Check if a string is a palindrome
9. Count Vowels Java exercise — Count vowels in a string
10. Count Words Java exercise — Count words in a sentence
11. First Non-Repeating Character Java exercise — Find the first character that does not repeat
12. Anagram Check Java exercise — Check if two strings are anagrams
13. Longest Word Java exercise — Find the longest word in a sentence
14. Remove All Spaces Java exercise — Remove all whitespace from a string
15. Character Frequency Java exercise — Count frequency of each character
16. String Compression Java exercise — Compress string using counts of repeated characters
17. Alphabetical Character Frequency Java exercise — Count frequency of each character
18. Remove Adjacent Duplicates Java exercise — Remove adjacent duplicate characters
19. Zigzag Conversion Java exercise — Convert string to zigzag pattern