Java Strings How-Tos

The following is a list of tutorials covering how-to topics on Strings category in Java language. Each tutorial covers the answer for the how-to question, and a set of working examples to demonstrate the solution.

  1. How to Create an Empty String in Java ?
  2. How to get Length of String in Java ?
  3. How to get Character at Specific Index in String in Java ?
  4. How to get First Character in String in Java ?
  5. How to get Last Character in String in Java ?
  6. How to get First N Characters in String in Java ?
  7. How to get Last N Characters in String in Java ?
  8. How to get Substring after Specific Character in Java ?
  9. How to get Substring before Specific Character in Java ?
  10. How to get Substring between two Specific Characters in Java ?
  11. How to get Substring from Specific Index to End in Java ?
  12. How to Iterate over Characters in String in Java ?
  13. How to Iterate over Words in String in Java ?
  14. How to Check if String is Empty in Java ?
  15. How to Check if String contains only Alphabets in Java ?
  16. How to Check if String contains only Alphabets and Numbers in Java ?
  17. How to Check if String contains only Numeric Digits in Java ?
  18. How to Check if a String contains given Substring in Java ?
  19. How to Check if String contains specific Character in Java ?
  20. How to Check if String starts with Specific Prefix in Java ?
  21. How to Check if String ends with Specific Suffix in Java ?
  22. How to Append a String to another String in Java ?
  23. How to Append a Character to beginning of a String in Java ?
  24. How to Append a Character to end of a String in Java ?
  25. How to Concatenate Two Strings in Java ?
  26. How to Repeat a String N Times in Java ?
  27. How to Insert Character at Specific Index in String in Java ?
  28. How to Replace a Substring in String in Java ?
  29. How to Replace multiple Spaces with a Single Space in String in Java ?
  30. How to Replace Character at Specific Index in String in Java ?
  31. How to Replace All Occurrences of a Substring in a String in Java ?
  32. How to Replace a Substring in a String using Regular Expression in Java ?
  33. How to Split a String in Java ?
  34. How to Split a String by New Line in Java ?
  35. How to Split a String by Comma in Java ?
  36. How to Sort Characters in String in Java ?
  37. How to convert String to Lowercase in Java ?
  38. How to convert String to Uppercase in Java ?
  39. How to Trim a String in Java ?
  40. How to convert First Character in String to Uppercase in Java ?
  41. How to Reverse a String in Java ?
  42. How to Remove Character at specific Index in a String in Java ?
  43. How to Remove First Character in a String in Java ?
  44. How to Remove Last Character in a String in Java ?
  45. How to Remove first N Characters in a String in Java ?
  46. How to Remove last N Characters in a String in Java ?
  47. How to Remove specific Substring in Java ?
  48. How to Remove specific Character from a String in Java ?
  49. How to Remove All Whitespace Characters from a String in Java ?
  50. How to Remove Special Characters from a String in Java ?
  51. How to keep only Alphabets in a String in Java ?
  52. How to Convert Integer to String in Java ?
  53. How to Convert String to Integer in Java ?
  54. How to convert String to Float in Java ?
  55. How to convert Float to String in Java ?
  56. How to check if Two Strings are Equal in Java ?
  57. How to check if Two Strings are Equal ignoring case in Java ?
  58. How to Compare Two Strings in Java ?
  59. How to find the Characters in the First String that are not Present in the Second String in Java ?
  60. How to find the Index of Substring in Java ?
  61. How to find the Index of Last Occurrence of Substring in Java ?
  62. How to find the Indices of All Occurrences of Substring in Java ?
  63. How to get all the possible Substrings of a String in Java ?
  64. How to get all the possible K length Substrings in a String in Java ?
  65. How to in Java ?