1. Program to Check if a String contains only digits?

2. Program to perform Deep Copy for String?

3. Program to prove String is immutable programmatically?

4. Program to remove all occurrences of a given character from input String?

5. Program to append the string using StringBuffer class

6. Program to insert the string using StringBuffer class

7. Program to Add Characters to a String

8. Program to Add Characters to a String

9. Program to Check Anagram

10. Program to check whether a string is a Palindrome

11. Program to Convert Enum to String

12. Program to Convert String to String Array

13. Program to count number of words in a String?

14. Program to count the total number of characters in a string

15. Program to count the total number of punctuation characters exists in a String

16. Program to count the total number of vowels and consonants in a string

17. Program to determine whether a given string is palindrome

18. Program to determine whether one string is a rotation of another

19. Program to divide a string in 'N' equal parts.

20. Program to find all subsets of a string

21. Program to find all the permutations of a string

22. Program to find maximum and minimum occurring character in a string

23. Program to find Reverse of the string

24. Program to find the duplicate characters in a string

25. Program to find the duplicate words in a string

26. Program to find the frequency of characters

27. Program to find the largest and smallest word in a string

28. Program to find the longest repeating sequence in a string

29. Program to find the most repeated word in a text file

30. Program to find the number of the words in the given text file

31. Program to Get a Character From the Given String

32. Program to Insert a string into another string

33. Program to Iterate Over Characters in String

34. Program to Print a New Line in String

35. Program to Print even length words

36. Program to print smallest and biggest possible palindrome word in a given string

37. Program to remove all the white spaces from a string

38. Program to replace lower-case characters with upper-case and vice-versa

39. Program to replace the spaces of a string with a specific character

40. Program to separate the Individual Characters from a String

41. Program to Splitting into a number of sub-strings

42. Program to swap two string variables without using third or temp variable.

43. Program to Swapping Pair of Characters

44. Read two String user input and check if first contains second?

45. Reserve String without reverse() function

46. Reverse String Word by Word

47. Write a program to check if two Strings are created with same characters?

48. Write a program to find out first non repeated character from input String?

49. Create an object StringBuffer class to reverse the string.

50. Create an object StringBuffer class to show functionality of insert, append, delete and replace functions.