Java Arrays How-Tos

The following is a list of tutorials covering how-to topics on Arrays 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 Declare an Array in Java ?
  2. How to Initialize an Array in Java ?
  3. How to Access Array Elements in Java ?
  4. How to Access Array Elements using Index in Java ?
  5. How to get First Element in Array in Java ?
  6. How to get Last Element in Array in Java ?
  7. How to check if an Array is Empty in Java ?
  8. How to check if an Array is Not Empty in Java ?
  9. How to get Sub Array in Java ?
  10. How to Get Array Length in Java ?
  11. How to Iterate Over an Array in Java ?
  12. How to Iterate Over an Array in Reverse Order in Java ?
  13. How to get the Index of Specified Element in an Array in Java ?
  14. How to check if Specified Element is present in the Array in Java ?
  15. How to count the Number of Occurrences of Specified Element in the Array in Java ?
  16. How to Sort an Array in Java ?
  17. How to Sort an Array in Ascending Order in Java ?
  18. How to Sort an Array in Descending Order in Java ?
  19. How to create a Two Dimensional Array in Java ?
  20. How to Iterate over a Two Dimensional Array in Java ?
  21. How to create a Three Dimensional Array in Java ?
  22. How to Copy an Array in Java ?
  23. How to Split an Array in Java ?
  24. How to Join Arrays in Java ?
  25. How to check if Two Arrays are Equal in Java ?
  26. How to check if Two Arrays have Same Elements (Regardless of Order) in Java ?
  27. How to Convert an Array of Integers to an Array of Strings in Java ?
  28. How to Convert an Array of Strings to an Array of Integers in Java ?
  29. How to Reverse an Array in Java ?
  30. How to Shuffle an Array in Java ?
  31. How to Rotate Elements in an Array in Java ?
  32. How to Filter Elements of an Array based on a Condition in Java ?
  33. How to Declare an Integer Array in Java ?
  34. How to Declare a Float Array in Java ?
  35. How to Declare a String Array in Java ?
  36. How to Remove Duplicates in an Array in Java ?
  37. How to Remove Specific Element from an Array in Java ?
  38. How to Remove Element from Array based on a Condition in Java ?
  39. How to Sort a String Array in Dictionary Order in Java ?
  40. How to Concatenate Strings in Array in Java ?