Welcome to the Java Programming Forums


The professional, friendly Java community. 21,500 members and growing!


The Java Programming Forums are a community of Java programmers from all around the World. Our members have a wide range of skills and they all have one thing in common: A passion to learn and code Java. We invite beginner Java programmers right through to Java professionals to post here and share your knowledge. Become a part of the community, help others, expand your knowledge of Java and enjoy talking with like minded people. Registration is quick and best of all free. We look forward to meeting you.


>> REGISTER NOW TO START POSTING


Members have full access to the forums. Advertisements are removed for registered users.

Page 1 of 13 12311 ... LastLast
Threads 1 to 50 of 611

Forum: Collections and Generics

Arrays, ArrayList, HashMap..

  1. Which one the best method use for Search..?

    Started by iftijafar, October 20th, 2013 02:44 AM
    • Replies: 5
    • Views: 3,122
    May 10th, 2022, 12:58 AM Go to last post
  2. Tutorials code not working with variables and arrays

    Started by paulStad, January 9th, 2022 08:43 PM
    array, change
    • Replies: 5
    • Views: 1,869
    January 16th, 2022, 01:19 PM Go to last post
  3. I have problem a colections

    Started by Dawidos21, January 4th, 2022 11:24 AM
    • Replies: 23
    • Views: 778
    January 5th, 2022, 11:24 AM Go to last post
  4. How to add a new object to an object array?

    Started by rmmstn, October 25th, 2021 01:19 PM
    array, array of objects, java
    • Replies: 1
    • Views: 608
    December 20th, 2021, 02:12 AM Go to last post
  5. Question Combining arrays and counting vowels in String arrays

    Started by F3rEgl, December 15th, 2021 12:44 AM
    • Replies: 9
    • Views: 382
    December 15th, 2021, 03:53 PM Go to last post
  6. [SOLVED] Sorting a Multi-Dimensional String array

    Started by CADman, July 23rd, 2021 09:03 PM
    • Replies: 6
    • Views: 1,468
    July 24th, 2021, 08:49 PM Go to last post
  7. Post How to compare two arraylist in java?

    Started by aryan_k4564, November 27th, 2020 09:23 AM
    • Replies: 1
    • Views: 2,897
    November 27th, 2020, 09:45 AM Go to last post
  8. Store One String with Two Integer in JAVA MAP

    Started by shervan360, November 11th, 2020 03:09 PM
    • Replies: 2
    • Views: 1,624
    November 11th, 2020, 04:19 PM Go to last post
  9. 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: 12,902
    July 13th, 2019, 06:12 PM Go to last post
  10. Playlist Shuffle with Collections.shuffle(......)

    Started by TmDee, May 13th, 2019 12:18 PM
    collections shuffle, java, playlist
    • Replies: 1
    • Views: 6,592
    May 13th, 2019, 03:37 PM Go to last post
  11. 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: 1,987
    February 25th, 2019, 06:30 PM Go to last post
  12. Question JAVA Collection

    Started by Techexpert, January 30th, 2019 01:21 AM
    java collection
    • Replies: 1
    • Views: 1,045
    January 30th, 2019, 08:26 AM Go to last post
  13. How to put other backpack to main backpack?

    Started by geoinfoguide, December 29th, 2018 08:44 AM
    • Replies: 19
    • Views: 1,081
    January 20th, 2019, 06:44 AM Go to last post
  14. 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: 924
    January 15th, 2019, 07:36 AM Go to last post
  15. Difficulty adding to collection?

    Started by Tokugawa, November 28th, 2018 05:13 PM
    • Replies: 1
    • Views: 2,384
    November 28th, 2018, 05:45 PM Go to last post
  16. Defining an Array of ArryaList of ArrayList

    Started by blinky000, November 22nd, 2018 12:58 PM
    • Replies: 2
    • Views: 1,111
    November 22nd, 2018, 03:05 PM Go to last post
  17. Iterating over collections in Java 8

    Started by yhqian99, August 24th, 2014 09:53 AM
    • Replies: 5
    • Views: 8,948
    October 19th, 2018, 12:49 AM Go to last post
  18. ArrayList problem

    Started by Reino17, October 10th, 2018 12:35 AM
    • Replies: 1
    • Views: 3,284
    October 10th, 2018, 07:28 PM Go to last post
  19. ArrayList and selecting random contents

    Started by rmpslkkr, September 20th, 2018 07:06 AM
    • Replies: 0
    • Views: 3,675
    September 20th, 2018, 07:06 AM Go to last post
  20. How to build an array and use it to check a calculation

    Started by Reino17, September 17th, 2018 10:02 PM
    • Replies: 1
    • Views: 832
    September 18th, 2018, 07:11 PM Go to last post
  21. Family tree : objects organization

    Started by yorran, July 23rd, 2018 04:47 AM
    • Replies: 0
    • Views: 1,554
    July 23rd, 2018, 04:47 AM Go to last post
  22. error: array required, but String found

    Started by 13whispers, April 19th, 2018 04:18 PM
    • Replies: 3
    • Views: 13,531
    April 20th, 2018, 11:39 AM Go to last post
  23. Error Accessing Array Index

    Started by 13whispers, March 24th, 2018 08:08 AM
    • Replies: 3
    • Views: 1,107
    March 25th, 2018, 07:03 AM Go to last post
  24. help with "Stacked" list

    Started by peper955, January 23rd, 2018 04:51 PM
    • Replies: 9
    • Views: 1,093
    January 24th, 2018, 03:46 PM Go to last post
  25. Want to Add Duplicate Key in HashMap

    Started by rampnq, October 28th, 2013 12:25 PM
    • Replies: 8
    • Views: 2,199
    January 17th, 2018, 05:01 PM Go to last post
  26. Is this ObserverList a correct use of WeakReferences?

    Started by Cornix, August 18th, 2014 02:08 PM
    • Replies: 1
    • Views: 1,300
    November 9th, 2017, 09:53 PM Go to last post
  27. Change JTextArea to JList; Display ArrayList in JList

    Started by AP2000, June 5th, 2017 09:04 AM
    • Replies: 5
    • Views: 1,893
    June 5th, 2017, 11:37 AM Go to last post
  28. Moved: Code that works on Fiddle but doesn't work on local

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

    Started by SomeDudeOnline, October 3rd, 2014 11:29 AM
    • Replies: 9
    • Views: 1,299
    October 4th, 2014, 04:10 AM Go to last post
  30. Problem with wildcard observers

    Started by Cornix, September 20th, 2014 04:46 AM
    • Replies: 0
    • Views: 1,038
    September 20th, 2014, 04:46 AM Go to last post
  31. 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: 1,507
    September 17th, 2014, 11:13 AM Go to last post
  32. Question Need help with integer ds list

    Started by bjnzzzle, September 16th, 2014 01:02 AM
    • Replies: 1
    • Views: 1,014
    September 16th, 2014, 04:21 AM Go to last post
  33. Ranom Strings

    Started by ChristianBethel, September 4th, 2014 11:47 AM
    array, tutorial
    • Replies: 3
    • Views: 1,346
    September 10th, 2014, 11:09 PM Go to last post
  34. Best way to solve this ConcurrentModificationException

    Started by Cornix, June 15th, 2014 12:53 PM
    • Replies: 7
    • Views: 1,222
    August 2nd, 2014, 05:03 AM Go to last post
  35. [SOLVED] Singly Linked List - Sort Method

    Started by Sfrius, July 24th, 2014 12:39 AM
    • Replies: 6
    • Views: 3,164
    July 26th, 2014, 05:21 PM Go to last post
  36. [SOLVED] Problems getting value of index in 2D array operation

    Started by Flcha, July 25th, 2014 01:49 PM
    • Replies: 5
    • Views: 941
    July 26th, 2014, 04:47 AM Go to last post
  37. Moved: multiple session browser

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

    Started by toddy, June 15th, 2014 02:28 PM
    java
    • Replies: 4
    • Views: 1,326
    June 16th, 2014, 01:05 PM Go to last post
  39. [SOLVED] Displaying number of occurances of each word in the array

    Started by The Deacon, June 12th, 2014 01:19 AM
    • Replies: 5
    • Views: 933
    June 13th, 2014, 03:28 AM Go to last post
  40. Assignment help (splitting queue)

    Started by mattmattmatt, June 10th, 2014 05:44 PM
    • Replies: 7
    • Views: 1,302
    June 10th, 2014, 08:17 PM Go to last post
  41. 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: 1,120
    June 10th, 2014, 02:23 AM Go to last post
  42. Homework: Point me in the right direction?

    Started by mattmattmatt, May 29th, 2014 06:08 PM
    • Replies: 12
    • Views: 1,331
    June 4th, 2014, 09:20 PM Go to last post
  43. no return from getClientDependencies()

    Started by tpen3219, June 3rd, 2014 06:27 AM
    • Replies: 1
    • Views: 1,093
    June 3rd, 2014, 06:29 AM Go to last post
  44. ArrayList problem.

    Started by ben1, May 29th, 2014 09:48 AM
    • Replies: 1
    • Views: 916
    May 29th, 2014, 10:20 AM Go to last post
  45. [SOLVED] ArrayList.remove() problem. (solved)

    Started by E.K.Virtanen, May 26th, 2014 12:27 PM
    • Replies: 9
    • Views: 1,721
    May 29th, 2014, 04:50 AM Go to last post
  46. 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: 1,268
    May 26th, 2014, 11:22 AM Go to last post
  47. [SOLVED] 2D array, at a loss.

    Started by Time4Java, May 22nd, 2014 02:03 PM
    2d array, bluej, java
    • Replies: 5
    • Views: 1,145
    May 22nd, 2014, 06:57 PM Go to last post
  48. Managing different types of input

    Started by jbraque, May 18th, 2014 06:16 PM
    • Replies: 3
    • Views: 1,181
    May 19th, 2014, 04:09 PM Go to last post

Page 1 of 13 12311 ... LastLast

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

Icon Legend

Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
More than 15 replies or 150 views
Hot thread with unread posts
More than 15 replies or 150 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •