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Page 1 of 13 12311 ... LastLast
Threads 1 to 50 of 604

Forum: Collections and Generics

Arrays, ArrayList, HashMap..

  1. Ordering items but a bit more complex then just swapping items

    Started by alfa86, July 12th, 2019 07:52 AM
    2 Pages
    1 2
    • Replies: 26
    • Views: 11,723
    July 13th, 2019, 06:12 PM Go to last post
  2. Playlist Shuffle with Collections.shuffle(......)

    Started by TmDee, May 13th, 2019 12:18 PM
    collections shuffle, java, playlist
    • Replies: 1
    • Views: 5,934
    May 13th, 2019, 03:37 PM Go to last post
  3. Lightbulb How can I rotate every n elements in an Array list by 1 index?

    Started by Nick0188, February 25th, 2019 03:27 PM
    arraylist, collections, java, lists
    • Replies: 3
    • Views: 1,235
    February 25th, 2019, 06:30 PM Go to last post
  4. Question JAVA Collection

    Started by Techexpert, January 30th, 2019 01:21 AM
    java collection
    • Replies: 1
    • Views: 572
    January 30th, 2019, 08:26 AM Go to last post
  5. How to put other backpack to main backpack?

    Started by geoinfoguide, December 29th, 2018 08:44 AM
    • Replies: 19
    • Views: 701
    January 20th, 2019, 06:44 AM Go to last post
  6. How to make an array list of objects in another object?

    Started by bonder, January 5th, 2019 03:56 PM
    java, object orientated programming
    • Replies: 2
    • Views: 511
    January 15th, 2019, 07:36 AM Go to last post
  7. Difficulty adding to collection?

    Started by Tokugawa, November 28th, 2018 05:13 PM
    • Replies: 1
    • Views: 1,981
    November 28th, 2018, 05:45 PM Go to last post
  8. Defining an Array of ArryaList of ArrayList

    Started by blinky000, November 22nd, 2018 12:58 PM
    • Replies: 2
    • Views: 769
    November 22nd, 2018, 03:05 PM Go to last post
  9. Iterating over collections in Java 8

    Started by yhqian99, August 24th, 2014 09:53 AM
    • Replies: 5
    • Views: 8,264
    October 19th, 2018, 12:49 AM Go to last post
  10. ArrayList problem

    Started by Reino17, October 10th, 2018 12:35 AM
    • Replies: 1
    • Views: 2,882
    October 10th, 2018, 07:28 PM Go to last post
  11. ArrayList and selecting random contents

    Started by rmpslkkr, September 20th, 2018 07:06 AM
    • Replies: 0
    • Views: 3,302
    September 20th, 2018, 07:06 AM Go to last post
  12. How to build an array and use it to check a calculation

    Started by Reino17, September 17th, 2018 10:02 PM
    • Replies: 1
    • Views: 516
    September 18th, 2018, 07:11 PM Go to last post
  13. Family tree : objects organization

    Started by yorran, July 23rd, 2018 04:47 AM
    • Replies: 0
    • Views: 1,227
    July 23rd, 2018, 04:47 AM Go to last post
  14. error: array required, but String found

    Started by 13whispers, April 19th, 2018 04:18 PM
    • Replies: 3
    • Views: 5,843
    April 20th, 2018, 11:39 AM Go to last post
  15. Error Accessing Array Index

    Started by 13whispers, March 24th, 2018 08:08 AM
    • Replies: 3
    • Views: 773
    March 25th, 2018, 07:03 AM Go to last post
  16. help with "Stacked" list

    Started by peper955, January 23rd, 2018 04:51 PM
    • Replies: 9
    • Views: 791
    January 24th, 2018, 03:46 PM Go to last post
  17. Want to Add Duplicate Key in HashMap

    Started by rampnq, October 28th, 2013 12:25 PM
    • Replies: 8
    • Views: 1,738
    January 17th, 2018, 05:01 PM Go to last post
  18. Is this ObserverList a correct use of WeakReferences?

    Started by Cornix, August 18th, 2014 02:08 PM
    • Replies: 1
    • Views: 902
    November 9th, 2017, 09:53 PM Go to last post
  19. Which one the best method use for Search..?

    Started by iftijafar, October 20th, 2013 02:44 AM
    • Replies: 3
    • Views: 1,407
    September 22nd, 2017, 02:08 AM Go to last post
  20. Change JTextArea to JList; Display ArrayList in JList

    Started by AP2000, June 5th, 2017 09:04 AM
    • Replies: 5
    • Views: 1,231
    June 5th, 2017, 11:37 AM Go to last post
  21. Moved: Code that works on Fiddle but doesn't work on local

    Started by ctincristi, October 9th, 2014 06:15 PM
    •  
    •  
  22. List that generates new item variables?

    Started by SomeDudeOnline, October 3rd, 2014 11:29 AM
    • Replies: 9
    • Views: 942
    October 4th, 2014, 04:10 AM Go to last post
  23. Problem with wildcard observers

    Started by Cornix, September 20th, 2014 04:46 AM
    • Replies: 0
    • Views: 739
    September 20th, 2014, 04:46 AM Go to last post
  24. Make JComboBox fill with id's from xml file

    Started by AliceH, September 17th, 2014 11:03 AM
    java, jcombobox, list, xml
    • Replies: 1
    • Views: 1,008
    September 17th, 2014, 11:13 AM Go to last post
  25. Question Need help with integer ds list

    Started by bjnzzzle, September 16th, 2014 01:02 AM
    • Replies: 1
    • Views: 638
    September 16th, 2014, 04:21 AM Go to last post
  26. Ranom Strings

    Started by ChristianBethel, September 4th, 2014 11:47 AM
    array, tutorial
    • Replies: 3
    • Views: 970
    September 10th, 2014, 11:09 PM Go to last post
  27. Best way to solve this ConcurrentModificationException

    Started by Cornix, June 15th, 2014 12:53 PM
    • Replies: 7
    • Views: 856
    August 2nd, 2014, 05:03 AM Go to last post
  28. [SOLVED] Singly Linked List - Sort Method

    Started by Sfrius, July 24th, 2014 12:39 AM
    • Replies: 6
    • Views: 2,442
    July 26th, 2014, 05:21 PM Go to last post
  29. [SOLVED] Problems getting value of index in 2D array operation

    Started by Flcha, July 25th, 2014 01:49 PM
    • Replies: 5
    • Views: 609
    July 26th, 2014, 04:47 AM Go to last post
  30. Moved: multiple session browser

    Started by harikumarreddyk, July 18th, 2014 07:26 AM
    •  
    •  
  31. Printing random values from array list.

    Started by toddy, June 15th, 2014 02:28 PM
    java
    • Replies: 4
    • Views: 866
    June 16th, 2014, 01:05 PM Go to last post
  32. [SOLVED] Displaying number of occurances of each word in the array

    Started by The Deacon, June 12th, 2014 01:19 AM
    • Replies: 5
    • Views: 588
    June 13th, 2014, 03:28 AM Go to last post
  33. Assignment help (splitting queue)

    Started by mattmattmatt, June 10th, 2014 05:44 PM
    • Replies: 7
    • Views: 892
    June 10th, 2014, 08:17 PM Go to last post
  34. Question Re-ordering list which has duplicate values

    Started by Sini Narayanan, June 9th, 2014 06:50 PM
    duplicates, list, re-order, sort
    • Replies: 1
    • Views: 755
    June 10th, 2014, 02:23 AM Go to last post
  35. Homework: Point me in the right direction?

    Started by mattmattmatt, May 29th, 2014 06:08 PM
    • Replies: 12
    • Views: 897
    June 4th, 2014, 09:20 PM Go to last post
  36. no return from getClientDependencies()

    Started by tpen3219, June 3rd, 2014 06:27 AM
    • Replies: 1
    • Views: 788
    June 3rd, 2014, 06:29 AM Go to last post
  37. ArrayList problem.

    Started by ben1, May 29th, 2014 09:48 AM
    • Replies: 1
    • Views: 606
    May 29th, 2014, 10:20 AM Go to last post
  38. [SOLVED] ArrayList.remove() problem. (solved)

    Started by E.K.Virtanen, May 26th, 2014 12:27 PM
    • Replies: 9
    • Views: 1,222
    May 29th, 2014, 04:50 AM Go to last post
  39. Question Boolean Array and sorting elements within it

    Started by ohGOSHTash, May 24th, 2014 10:18 AM
    array, boolean, boolean array, enum
    • Replies: 6
    • Views: 883
    May 26th, 2014, 11:22 AM Go to last post
  40. [SOLVED] 2D array, at a loss.

    Started by Time4Java, May 22nd, 2014 02:03 PM
    2d array, bluej, java
    • Replies: 5
    • Views: 748
    May 22nd, 2014, 06:57 PM Go to last post
  41. Managing different types of input

    Started by jbraque, May 18th, 2014 06:16 PM
    • Replies: 3
    • Views: 873
    May 19th, 2014, 04:09 PM Go to last post
  42. [SOLVED] Collections.binarySearch returns wrong index

    Started by Willenson, May 5th, 2014 11:43 AM
    • Replies: 5
    • Views: 663
    May 5th, 2014, 04:22 PM Go to last post
  43. [SOLVED] Cannot infer type arguments for ArrayList<>

    Started by mallorz, May 1st, 2014 04:06 PM
    • Replies: 7
    • Views: 23,259
    May 1st, 2014, 04:51 PM Go to last post
  44. How to rearrange ArrayList from text file in Java

    Started by jcaviles85, May 1st, 2014 12:02 AM
    • Replies: 2
    • Views: 741
    May 1st, 2014, 03:51 AM Go to last post
  45. FASTEST List

    Started by sci4me, April 18th, 2014 02:32 PM
    • Replies: 10
    • Views: 751
    April 30th, 2014, 02:57 AM Go to last post
  46. Exclamation Java Encrypt/Decrpt program

    Started by kevukevlo, March 30th, 2014 10:50 PM
    cipher, cryptography, listinterface, llnodes
    • Replies: 5
    • Views: 909
    April 1st, 2014, 06:41 AM Go to last post
    • Replies: 6
    • Views: 1,777
    March 19th, 2014, 08:44 AM Go to last post

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