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 4 of 14 FirstFirst ... 23456 ... LastLast
Threads 151 to 200 of 659

Forum: Collections and Generics

Arrays, ArrayList, HashMap..

  1. Trying to trim and get length then parse from string into Double

    Started by MissMandy, March 26th, 2013 11:48 PM
    • Replies: 3
    • Views: 1,233
    copeg
    March 27th, 2013, 11:23 AM Go to last post

  2. Post Trying to format an Array using specifiers to appear in TextArea

    Started by dalythe, March 21st, 2013 03:43 AM
    2 Attachment(s)
    • Replies: 19
    • Views: 2,248
    Norm
    March 21st, 2013, 07:43 PM Go to last post

  3. NullPointerException help with array

    Started by Gambleee_, March 15th, 2013 01:31 PM
    • Replies: 4
    • Views: 1,708
    Gambleee_
    March 15th, 2013, 02:06 PM Go to last post

  4. Permutations using Arraylist

    Started by steel55677, March 14th, 2013 06:10 PM
    • Replies: 1
    • Views: 1,791
    janpiel
    March 15th, 2013, 03:12 AM Go to last post

  5. Permutations using Arraylist

    Started by steel55677, March 14th, 2013 06:09 PM
    • Replies: 1
    • Views: 2,077
    curmudgeon
    March 14th, 2013, 06:58 PM Go to last post

  6. Why is answer A correct and not answer B?? I always thought a class has to implement an interface!! Is it different with generics?

    Started by TheCoder, March 9th, 2013 01:57 PM
    generics
    • Replies: 3
    • Views: 2,869
    curmudgeon
    March 9th, 2013, 07:22 PM Go to last post

  7. Proper way to cast generics?

    Started by LastMagister, March 5th, 2013 11:51 PM
    generics collection cast
    • Replies: 1
    • Views: 1,530
    janpiel
    March 8th, 2013, 02:36 AM Go to last post

  8. New help using Vector class

    Started by new2.java, March 5th, 2013 01:24 PM
    vectors
    • Replies: 9
    • Views: 1,535
    Norm
    March 5th, 2013, 03:40 PM Go to last post

  9. DoublyLinkedList

    Started by MagicTricksKill, March 4th, 2013 01:21 PM
    • Replies: 3
    • Views: 1,863
    Norm
    March 5th, 2013, 12:55 PM Go to last post

  10. "cannot find symbol" error when trying to use the getInt() method.

    Started by simpson_121919, February 21st, 2013 11:50 AM
    • Replies: 6
    • Views: 3,376
    simpson_121919
    February 21st, 2013, 12:48 PM Go to last post

  11. Post Output sentences using keywords in java

    Started by GameGirl91, February 5th, 2013 09:23 AM
    2 Pages •
    1 2
    array, category, hash-map, java, keywords
    • Replies: 27
    • Views: 3,681
    GameGirl91
    February 20th, 2013, 03:40 PM Go to last post

  12. ArrayIndexOutOfBoundsException...Help!!

    Started by 112297, February 17th, 2013 07:07 PM
    • Replies: 10
    • Views: 1,974
    SunshineInABag
    February 18th, 2013, 03:31 PM Go to last post

  13. How to create an array of Map<String, Object>

    Started by lalossa, February 16th, 2013 01:41 PM
    • Replies: 1
    • Views: 3,824
    Norm
    February 17th, 2013, 07:31 AM Go to last post

  14. How do you make a list that contains another list?

    Started by pepzi999, December 23rd, 2012 11:16 AM
    • Replies: 8
    • Views: 1,694
    copeg
    January 27th, 2013, 01:44 PM Go to last post

  15. class type paramaters

    Started by nhiap6, January 25th, 2013 01:41 PM
    • Replies: 1
    • Views: 1,342
    helloworld922
    January 25th, 2013, 03:35 PM Go to last post

  16. Arraylist elements in Treeset

    Started by toyamigo, January 24th, 2013 05:04 AM
    • Replies: 3
    • Views: 1,701
    Norm
    January 24th, 2013, 10:49 AM Go to last post

  17. Need a way to Find a way to dermine if all elements in a Boolean Array are True/false

    Started by DannDroid, January 22nd, 2013 10:15 PM
    • Replies: 0
    • Views: 1,548
    DannDroid
    January 22nd, 2013, 10:15 PM Go to last post

  18. collections

    Started by anis.laghaei, January 15th, 2013 08:09 AM
    • Replies: 3
    • Views: 1,226
    Norm
    January 15th, 2013, 09:29 AM Go to last post

  19. Question Fill in Container Class using another Class ?

    Started by gberisha, January 8th, 2013 10:09 AM
    • Replies: 3
    • Views: 1,387
    Norm
    January 8th, 2013, 10:38 AM Go to last post

  20. Adding an array to an arraylist

    Started by raja211991, January 7th, 2013 03:28 PM
    • Replies: 1
    • Views: 1,500
    pbrockway2
    January 7th, 2013, 03:46 PM Go to last post

  21. ArrayList Errors

    Started by mwardjava92, December 23rd, 2012 10:59 AM
    • Replies: 2
    • Views: 3,448
    infotechie
    December 24th, 2012, 01:55 AM Go to last post

  22. JComboBox and array problems

    Started by tristannvk, December 6th, 2012 02:11 PM
    • Replies: 6
    • Views: 2,198
    alaindhaene
    December 23rd, 2012, 10:39 AM Go to last post

  23. How to find indexes of ALL occurrences of object in ArrayList

    Started by nafty, December 17th, 2012 02:03 PM
    • Replies: 5
    • Views: 3,842
    alaindhaene
    December 23rd, 2012, 02:02 AM Go to last post

  24. Help With Multidimensional Arrays

    Started by tristannvk, December 20th, 2012 01:50 PM
    • Replies: 4
    • Views: 1,527
    tristannvk
    December 20th, 2012, 03:05 PM Go to last post

  25. Question Help understanding Command-Line Arguments

    Started by Truck35, December 13th, 2012 06:15 PM
    arrays, command-line arguments
    • Replies: 1
    • Views: 1,980
    pbrockway2
    December 13th, 2012, 06:16 PM Go to last post

  26. T and <T>

    Started by that_guy, December 7th, 2012 06:27 PM
    • Replies: 3
    • Views: 1,525
    curmudgeon
    December 7th, 2012, 09:08 PM Go to last post

  27. String array problem

    Started by hwhelp, December 3rd, 2012 06:17 PM
    • Replies: 4
    • Views: 1,369
    hwhelp
    December 4th, 2012, 10:59 AM Go to last post

  28. [SOLVED] Algorithm for all possible combinations?

    Started by affebaffe, December 2nd, 2012 09:08 AM
    • Replies: 8
    • Views: 2,221
    affebaffe
    December 3rd, 2012, 05:51 AM Go to last post

  29. String to Array?

    Started by Kristenw17, November 29th, 2012 09:04 PM
    • Replies: 1
    • Views: 4,461
    Norm
    November 30th, 2012, 09:55 AM Go to last post

  30. Help with error on second run through array

    Started by tyneframe, November 25th, 2012 02:11 PM
    • Replies: 18
    • Views: 1,612
    tyneframe
    November 25th, 2012, 08:13 PM Go to last post

  31. Unhappy How to print the same 2D Array Vertically and Horizontally

    Started by rayan2004, November 23rd, 2012 02:07 AM
    2d array, student, vertically
    • Replies: 8
    • Views: 7,091
    aesguitar
    November 25th, 2012, 04:06 PM Go to last post

  32. Trying to test some basic hash functions using generic LinkedList and I'm having null pointers

    Started by Nismoz3255, November 21st, 2012 05:51 PM
    • Replies: 4
    • Views: 1,838
    Nismoz3255
    November 23rd, 2012, 05:50 PM Go to last post

  33. Family Tree in Java

    Started by Bobben92, November 20th, 2012 07:09 AM
    • Replies: 3
    • Views: 6,401
    KevinWorkman
    November 20th, 2012, 09:28 AM Go to last post

  34. problem with an assignement: creating collections class and use them

    Started by hiepa, November 18th, 2012 05:57 PM
    • Replies: 1
    • Views: 1,568
    hiepa
    November 19th, 2012, 05:44 AM Go to last post

  35. Sorting using Iterator

    Started by palaboui, November 11th, 2012 06:25 PM
    • Replies: 1
    • Views: 1,533
    retsameht
    November 15th, 2012, 02:59 PM Go to last post

  36. Help with passing arrays as arguments

    Started by Jumbosize, November 11th, 2012 12:21 PM
    • Replies: 4
    • Views: 1,444
    Zaphod_b
    November 12th, 2012, 08:02 PM Go to last post

  37. Question usage of arrays

    Started by passionlrnr, November 11th, 2012 07:18 PM
    • Replies: 1
    • Views: 1,545
    aussiemcgr
    November 12th, 2012, 03:09 PM Go to last post

  38. Avoiding concurrent modification exception?

    Started by Twon23, November 10th, 2012 01:05 PM
    • Replies: 4
    • Views: 1,876
    Twon23
    November 12th, 2012, 11:34 AM Go to last post

  39. Tic-Tac-Toe (loops, arrays, and methods) help please

    Started by CVL220, October 30th, 2012 09:06 PM
    • Replies: 3
    • Views: 2,446
    Zaphod_b
    November 10th, 2012, 01:47 PM Go to last post

  40. URGENT: How do I store thousands of data into arraylists and use them for calculations???

    Started by looper, November 8th, 2012 12:07 PM
    • Replies: 3
    • Views: 1,848
    KevinWorkman
    November 8th, 2012, 01:24 PM Go to last post

  41. Exclamation [SOLVED] How to create and use Hashtable, ArrayList (really urgent, please)

    Started by GBPython, November 6th, 2012 04:35 PM
    arraylist, hashmap, hashtable
    • Replies: 4
    • Views: 4,446
    GBPython
    November 6th, 2012, 08:39 PM Go to last post

  42. Need Help Fast - Please Help in Java ArrayList

    Started by anonb, November 5th, 2012 01:11 PM
    • Replies: 6
    • Views: 1,689
    curmudgeon
    November 5th, 2012, 05:26 PM Go to last post

  43. Post Arraylist and LinkedList

    Started by vilkas123, November 3rd, 2012 02:14 AM
    arraylist, collections, util
    • Replies: 1
    • Views: 1,711
    jps
    November 3rd, 2012, 02:20 AM Go to last post

  44. Finding a Smallest Integer

    Started by antnas, October 25th, 2012 08:55 PM
    • Replies: 5
    • Views: 1,510
    jps
    November 1st, 2012, 01:15 AM Go to last post

  45. [SOLVED] Parse then analyze with an array?

    Started by 0ffConstantly, October 26th, 2012 02:41 PM
    • Replies: 1
    • Views: 1,852
    0ffConstantly
    October 28th, 2012, 05:13 AM Go to last post

  46. acessing ArrayList

    Started by mihal, October 12th, 2012 09:46 AM
    • Replies: 14
    • Views: 2,015
    mihal
    October 16th, 2012, 03:22 PM Go to last post

  47. Labelling Number Array

    Started by andewor, October 14th, 2012 03:51 AM
    array, collections, hashmap, java, treeset
    • Replies: 0
    • Views: 1,433
    andewor
    October 14th, 2012, 03:51 AM Go to last post

  48. What is the fastest and most memory-efficient data structure?

    Started by aussiemcgr, November 20th, 2010 10:37 PM
    • Replies: 5
    • Views: 10,328
    Australianfrog
    October 11th, 2012, 03:48 PM Go to last post

  49. Search closest distance to an array of objects

    Started by Dreamer999, October 10th, 2012 12:11 PM
    • Replies: 1
    • Views: 1,362
    KevinWorkman
    October 10th, 2012, 12:32 PM Go to last post

  50. Trying to create an array of stacks that contain objects

    Started by jadeclan, October 6th, 2012 12:56 PM
    • Replies: 15
    • Views: 4,775
    curmudgeon
    October 6th, 2012, 03:30 PM Go to last post
Page 4 of 14 FirstFirst ... 23456 ... 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
  •  

Forum Rules