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Page 1 of 13 12311 ... LastLast
Threads 1 to 50 of 612

Forum: Collections and Generics

Arrays, ArrayList, HashMap..

  1. how do you change the datatype of an attribute from String to Array?

    Started by codingkeera, November 14th, 2022 03:53 AM
    java, string
    • Replies: 2
    • Views: 6,751
    Norm
    June 1st, 2024, 11:11 AM Go to last post

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

    Started by iftijafar, October 20th, 2013 02:44 AM
    • Replies: 5
    • Views: 6,704
    Denisecondon556
    May 10th, 2022, 12:58 AM Go to last post

  3. Tutorials code not working with variables and arrays

    Started by paulStad, January 9th, 2022 08:43 PM
    array, change
    • Replies: 5
    • Views: 2,946
    paulStad
    January 16th, 2022, 01:19 PM Go to last post

  4. I have problem a colections

    Started by Dawidos21, January 4th, 2022 11:24 AM
    • Replies: 23
    • Views: 1,931
    Norm
    January 5th, 2022, 11:24 AM Go to last post

  5. 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: 1,589
    armela
    December 20th, 2021, 02:12 AM Go to last post

  6. Question Combining arrays and counting vowels in String arrays

    Started by F3rEgl, December 15th, 2021 12:44 AM
    • Replies: 9
    • Views: 1,340
    Norm
    December 15th, 2021, 03:53 PM Go to last post

  7. [SOLVED] Sorting a Multi-Dimensional String array

    Started by CADman, July 23rd, 2021 09:03 PM
    • Replies: 6
    • Views: 2,332
    CADman
    July 24th, 2021, 08:49 PM Go to last post

  8. Post How to compare two arraylist in java?

    Started by aryan_k4564, November 27th, 2020 09:23 AM
    • Replies: 1
    • Views: 3,659
    Norm
    November 27th, 2020, 09:45 AM Go to last post

  9. Store One String with Two Integer in JAVA MAP

    Started by shervan360, November 11th, 2020 03:09 PM
    • Replies: 2
    • Views: 2,287
    shervan360
    November 11th, 2020, 04:19 PM Go to last post

  10. Arrow How to find the first character which occurs only once in string?

    Started by decisionsting, May 29th, 2020 06:40 AM
    • Replies: 1
    • Views: 3,229
    Norm
    May 29th, 2020, 07:59 AM Go to last post

  11. 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: 14,616
    Norm
    July 13th, 2019, 06:12 PM Go to last post

  12. Playlist Shuffle with Collections.shuffle(......)

    Started by TmDee, May 13th, 2019 12:18 PM
    collections shuffle, java, playlist
    • Replies: 1
    • Views: 7,542
    jim829
    May 13th, 2019, 03:37 PM Go to last post

  13. 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: 2,869
    Norm
    February 25th, 2019, 06:30 PM Go to last post

  14. Question JAVA Collection

    Started by Techexpert, January 30th, 2019 01:21 AM
    java collection
    • Replies: 1
    • Views: 1,809
    Norm
    January 30th, 2019, 08:26 AM Go to last post

  15. How to put other backpack to main backpack?

    Started by geoinfoguide, December 29th, 2018 08:44 AM
    • Replies: 19
    • Views: 1,773
    Norm
    January 20th, 2019, 06:44 AM Go to last post

  16. 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: 1,607
    ufotje
    January 15th, 2019, 07:36 AM Go to last post

  17. Difficulty adding to collection?

    Started by Tokugawa, November 28th, 2018 05:13 PM
    • Replies: 1
    • Views: 3,009
    jim829
    November 28th, 2018, 05:45 PM Go to last post

  18. Defining an Array of ArryaList of ArrayList

    Started by blinky000, November 22nd, 2018 12:58 PM
    • Replies: 2
    • Views: 1,761
    jim829
    November 22nd, 2018, 03:05 PM Go to last post

  19. Iterating over collections in Java 8

    Started by yhqian99, August 24th, 2014 09:53 AM
    • Replies: 5
    • Views: 9,780
    meenal
    October 19th, 2018, 12:49 AM Go to last post

  20. ArrayList problem

    Started by Reino17, October 10th, 2018 12:35 AM
    • Replies: 1
    • Views: 3,927
    jim829
    October 10th, 2018, 07:28 PM Go to last post

  21. ArrayList and selecting random contents

    Started by rmpslkkr, September 20th, 2018 07:06 AM
    • Replies: 0
    • Views: 4,343
    rmpslkkr
    September 20th, 2018, 07:06 AM Go to last post

  22. How to build an array and use it to check a calculation

    Started by Reino17, September 17th, 2018 10:02 PM
    • Replies: 1
    • Views: 1,450
    Norm
    September 18th, 2018, 07:11 PM Go to last post

  23. Family tree : objects organization

    Started by yorran, July 23rd, 2018 04:47 AM
    • Replies: 0
    • Views: 2,215
    yorran
    July 23rd, 2018, 04:47 AM Go to last post

  24. error: array required, but String found

    Started by 13whispers, April 19th, 2018 04:18 PM
    • Replies: 3
    • Views: 20,510
    13whispers
    April 20th, 2018, 11:39 AM Go to last post

  25. Error Accessing Array Index

    Started by 13whispers, March 24th, 2018 08:08 AM
    • Replies: 3
    • Views: 1,775
    Norm
    March 25th, 2018, 07:03 AM Go to last post

  26. help with "Stacked" list

    Started by peper955, January 23rd, 2018 04:51 PM
    • Replies: 9
    • Views: 1,786
    Norm
    January 24th, 2018, 03:46 PM Go to last post

  27. Want to Add Duplicate Key in HashMap

    Started by rampnq, October 28th, 2013 12:25 PM
    • Replies: 8
    • Views: 3,033
    pbrockway2
    January 17th, 2018, 05:01 PM Go to last post

  28. Hi..i am new to java. i am facing an exception error while running loop with int and double input

    Started by coderxxx, December 16th, 2017 09:08 AM
    java
    • Replies: 2
    • Views: 1,740
    planetHollywood
    January 16th, 2018, 12:20 AM Go to last post

  29. Is this ObserverList a correct use of WeakReferences?

    Started by Cornix, August 18th, 2014 02:08 PM
    • Replies: 1
    • Views: 1,964
    ElaizaLag
    November 9th, 2017, 09:53 PM Go to last post

  30. Change JTextArea to JList; Display ArrayList in JList

    Started by AP2000, June 5th, 2017 09:04 AM
    • Replies: 5
    • Views: 2,824
    NormR
    June 5th, 2017, 11:37 AM Go to last post

  31. Moved: Code that works on Fiddle but doesn't work on local

    Started by ctincristi, October 9th, 2014 06:15 PM
    •  
    •  

  32. List that generates new item variables?

    Started by SomeDudeOnline, October 3rd, 2014 11:29 AM
    • Replies: 9
    • Views: 2,000
    GregBrannon
    October 4th, 2014, 04:10 AM Go to last post

  33. Problem with wildcard observers

    Started by Cornix, September 20th, 2014 04:46 AM
    • Replies: 0
    • Views: 1,627
    Cornix
    September 20th, 2014, 04:46 AM Go to last post

  34. 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: 2,264
    Norm
    September 17th, 2014, 11:13 AM Go to last post

  35. Question Need help with integer ds list

    Started by bjnzzzle, September 16th, 2014 01:02 AM
    1 Attachment(s)
    • Replies: 1
    • Views: 1,609
    GregBrannon
    September 16th, 2014, 04:21 AM Go to last post

  36. Ranom Strings

    Started by ChristianBethel, September 4th, 2014 11:47 AM
    array, tutorial
    • Replies: 3
    • Views: 2,001
    ChristianBethel
    September 10th, 2014, 11:09 PM Go to last post

  37. Best way to solve this ConcurrentModificationException

    Started by Cornix, June 15th, 2014 12:53 PM
    • Replies: 7
    • Views: 1,885
    Cornix
    August 2nd, 2014, 05:03 AM Go to last post

  38. [SOLVED] Singly Linked List - Sort Method

    Started by Sfrius, July 24th, 2014 12:39 AM
    • Replies: 6
    • Views: 3,932
    Sfrius
    July 26th, 2014, 05:21 PM Go to last post

  39. [SOLVED] Problems getting value of index in 2D array operation

    Started by Flcha, July 25th, 2014 01:49 PM
    • Replies: 5
    • Views: 1,582
    GregBrannon
    July 26th, 2014, 04:47 AM Go to last post

  40. Moved: multiple session browser

    Started by harikumarreddyk, July 18th, 2014 07:26 AM
    •  
    •  

  41. Printing random values from array list.

    Started by toddy, June 15th, 2014 02:28 PM
    java
    • Replies: 4
    • Views: 2,127
    Gasis
    June 16th, 2014, 01:05 PM Go to last post

  42. [SOLVED] Displaying number of occurances of each word in the array

    Started by The Deacon, June 12th, 2014 01:19 AM
    • Replies: 5
    • Views: 1,642
    GregBrannon
    June 13th, 2014, 03:28 AM Go to last post

  43. Assignment help (splitting queue)

    Started by mattmattmatt, June 10th, 2014 05:44 PM
    • Replies: 7
    • Views: 2,028
    Norm
    June 10th, 2014, 08:17 PM Go to last post

  44. 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: 1,772
    Cornix
    June 10th, 2014, 02:23 AM Go to last post

  45. Homework: Point me in the right direction?

    Started by mattmattmatt, May 29th, 2014 06:08 PM
    • Replies: 12
    • Views: 2,083
    mattmattmatt
    June 4th, 2014, 09:20 PM Go to last post

  46. no return from getClientDependencies()

    Started by tpen3219, June 3rd, 2014 06:27 AM
    1 Attachment(s)
    • Replies: 1
    • Views: 1,696
    GregBrannon
    June 3rd, 2014, 06:29 AM Go to last post

  47. ArrayList problem.

    Started by ben1, May 29th, 2014 09:48 AM
    • Replies: 1
    • Views: 1,518
    Norm
    May 29th, 2014, 10:20 AM Go to last post

  48. [SOLVED] ArrayList.remove() problem. (solved)

    Started by E.K.Virtanen, May 26th, 2014 12:27 PM
    • Replies: 9
    • Views: 2,479
    E.K.Virtanen
    May 29th, 2014, 04:50 AM Go to last post

  49. 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: 1,968
    Norm
    May 26th, 2014, 11:22 AM Go to last post

  50. [SOLVED] 2D array, at a loss.

    Started by Time4Java, May 22nd, 2014 02:03 PM
    2d array, bluej, java
    • Replies: 5
    • Views: 1,768
    Time4Java
    May 22nd, 2014, 06:57 PM Go to last post
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