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.

  1. Announcement:
    Welcome! If it's your first time here, please read.
    JavaPF (mmm.. coffee)
    December 11th, 2009
    Views:
    26,729
Page 1 of 11 123 ... LastLast
Threads 1 to 50 of 531

Forum: Collections and Generics

Arrays, ArrayList, HashMap..

  1. Java 1.4 Array issues - controlling array size for dynamic usage

    Started by doonan79, Yesterday 11:14 AM
    • Replies: 5
    • Views: 65
    KevinWorkman
    Today, 11:53 AM Go to last post

  2. System.out.println Error when using Iterator

    Started by willo009, December 3rd, 2012 01:29 PM
    arraylist
    • Replies: 3
    • Views: 321
    PhHein
    Today, 02:50 AM Go to last post

  3. Binding object

    Started by marcobelli, May 31st, 2013 10:41 AM
    binding
    • Replies: 1
    • Views: 559
    angstrem
    May 31st, 2013, 11:19 AM Go to last post

  4. How to fix this class/program

    Started by profit7, May 29th, 2013 07:01 AM
    • Replies: 3
    • Views: 199
    KevinWorkman
    May 29th, 2013, 08:53 AM Go to last post

  5. How To Use Linear Search

    Started by Semion, May 10th, 2013 10:24 PM
    • Replies: 17
    • Views: 304
    jps
    May 13th, 2013, 12:40 AM Go to last post

  6. add and increment array elements by arraycopy

    Started by MMD, May 4th, 2013 05:36 PM
    • Replies: 7
    • Views: 242
    copeg
    May 8th, 2013, 03:23 PM Go to last post

  7. Why use "new" operator with an instance variable of array type in accessor methods?

    Started by sciences, May 3rd, 2013 02:15 PM
    • Replies: 8
    • Views: 171
    sciences
    May 6th, 2013, 07:53 AM Go to last post

  8. [SOLVED] [Asking] Store method in HashMap

    Started by ardisamudra, April 26th, 2013 04:59 AM
    • Replies: 6
    • Views: 199
    ardisamudra
    May 5th, 2013, 10:59 PM Go to last post

  9. [SOLVED] Array question - confused by answer

    Started by Techstudent, April 29th, 2013 05:54 PM
    • Replies: 2
    • Views: 139
    Techstudent
    April 29th, 2013, 06:22 PM Go to last post

  10. Calling up array methods from main

    Started by my21, April 16th, 2013 05:09 PM
    • Replies: 9
    • Views: 257
    my21
    April 25th, 2013, 06:52 PM Go to last post

  11. parsecard method

    Started by my21, April 23rd, 2013 11:29 PM
    • Replies: 1
    • Views: 117
    pbrockway2
    April 24th, 2013, 12:58 AM Go to last post

  12. Moved: outputting

    Started by my21, April 24th, 2013 06:15 AM
    •  
    •  

  13. Array, fractions, etc

    Started by Kristenw17, April 17th, 2013 07:34 PM
    array, boolean, driver
    • Replies: 1
    • Views: 150
    pbrockway2
    April 17th, 2013, 08:29 PM Go to last post

  14. Polymorphorism with array objects of different classes?

    Started by EDale, April 14th, 2013 02:05 PM
    array, inheritance, polymorphism
    • Replies: 7
    • Views: 193
    Norm
    April 14th, 2013, 03:54 PM Go to last post

  15. calling up and printing an arrayHistogram

    Started by my21, April 14th, 2013 10:19 AM
    • Replies: 2
    • Views: 131
    didingnuriska
    April 14th, 2013, 01:51 PM Go to last post

  16. Array and counter in for loop

    Started by Kristenw17, April 10th, 2013 08:06 PM
    • Replies: 9
    • Views: 225
    Norm
    April 11th, 2013, 06:05 AM Go to last post

  17. Create two dimensional array from a one dimensional array

    Started by Kristenw17, April 9th, 2013 07:31 PM
    • Replies: 1
    • Views: 151
    Norm
    April 9th, 2013, 07:51 PM Go to last post

  18. [SOLVED] Creating an array with many of the same element?

    Started by ShamelessTeenie, April 9th, 2013 10:48 AM
    • Replies: 2
    • Views: 139
    ShamelessTeenie
    April 9th, 2013, 11:28 AM Go to last post

  19. Need help with understanding arrays

    Started by mist4lyf, April 7th, 2013 08:52 AM
    • Replies: 2
    • Views: 173
    mist4lyf
    April 7th, 2013, 09:38 AM Go to last post

  20. Ask objects with parameters in Arraylist

    Started by sabbath, March 30th, 2013 06:02 AM
    • Replies: 5
    • Views: 212
    Norm
    April 7th, 2013, 07:26 AM Go to last post

  21. Cool What is the rationale behind `immutableCollection` family of methods, and the advantages of the particular pattern?

    Started by amn, April 2nd, 2013 07:25 AM
    java collection immutable
    • Replies: 7
    • Views: 313
    pbrockway2
    April 3rd, 2013, 05:11 PM Go to last post

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

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

  23. 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: 317
    Norm
    March 21st, 2013, 07:43 PM Go to last post

  24. NullPointerException help with array

    Started by Gambleee_, March 15th, 2013 01:31 PM
    • Replies: 4
    • Views: 257
    Gambleee_
    March 15th, 2013, 02:06 PM Go to last post

  25. Permutations using Arraylist

    Started by steel55677, March 14th, 2013 06:10 PM
    • Replies: 1
    • Views: 216
    janpiel
    March 15th, 2013, 03:12 AM Go to last post

  26. Permutations using Arraylist

    Started by steel55677, March 14th, 2013 06:09 PM
    • Replies: 1
    • Views: 234
    curmudgeon
    March 14th, 2013, 06:58 PM Go to last post

  27. 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 12:57 PM
    generics
    • Replies: 3
    • Views: 626
    curmudgeon
    March 9th, 2013, 06:22 PM Go to last post

  28. Proper way to cast generics?

    Started by LastMagister, March 5th, 2013 10:51 PM
    generics collection cast
    • Replies: 1
    • Views: 323
    janpiel
    March 8th, 2013, 01:36 AM Go to last post

  29. New help using Vector class

    Started by new2.java, March 5th, 2013 12:24 PM
    vectors
    • Replies: 9
    • Views: 237
    Norm
    March 5th, 2013, 02:40 PM Go to last post

  30. DoublyLinkedList

    Started by MagicTricksKill, March 4th, 2013 12:21 PM
    • Replies: 3
    • Views: 204
    Norm
    March 5th, 2013, 11:55 AM Go to last post

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

    Started by simpson_121919, February 21st, 2013 10:50 AM
    • Replies: 6
    • Views: 335
    simpson_121919
    February 21st, 2013, 11:48 AM Go to last post

  32. Post Output sentences using keywords in java

    Started by GameGirl91, February 5th, 2013 08:23 AM
    2 Pages •
    1 2
    array, category, hash-map, java, keywords
    • Replies: 27
    • Views: 856
    GameGirl91
    February 20th, 2013, 02:40 PM Go to last post

  33. ArrayIndexOutOfBoundsException...Help!!

    Started by 112297, February 17th, 2013 06:07 PM
    • Replies: 10
    • Views: 303
    SunshineInABag
    February 18th, 2013, 02:31 PM Go to last post

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

    Started by lalossa, February 16th, 2013 12:41 PM
    • Replies: 1
    • Views: 288
    Norm
    February 17th, 2013, 06:31 AM Go to last post

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

    Started by pepzi999, December 23rd, 2012 10:16 AM
    • Replies: 8
    • Views: 411
    copeg
    January 27th, 2013, 12:44 PM Go to last post

  36. class type paramaters

    Started by nhiap6, January 25th, 2013 12:41 PM
    • Replies: 1
    • Views: 239
    helloworld922
    January 25th, 2013, 02:35 PM Go to last post

  37. Arraylist elements in Treeset

    Started by toyamigo, January 24th, 2013 04:04 AM
    • Replies: 3
    • Views: 248
    Norm
    January 24th, 2013, 09:49 AM Go to last post

  38. 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 09:15 PM
    • Replies: 0
    • Views: 363
    DannDroid
    January 22nd, 2013, 09:15 PM Go to last post

  39. collections

    Started by anis.laghaei, January 15th, 2013 07:09 AM
    • Replies: 3
    • Views: 338
    Norm
    January 15th, 2013, 08:29 AM Go to last post

  40. Question Fill in Container Class using another Class ?

    Started by gberisha, January 8th, 2013 09:09 AM
    • Replies: 3
    • Views: 287
    Norm
    January 8th, 2013, 09:38 AM Go to last post

  41. Adding an array to an arraylist

    Started by raja211991, January 7th, 2013 02:28 PM
    • Replies: 1
    • Views: 285
    pbrockway2
    January 7th, 2013, 02:46 PM Go to last post

  42. ArrayList Errors

    Started by mwardjava92, December 23rd, 2012 09:59 AM
    • Replies: 2
    • Views: 473
    infotechie
    December 24th, 2012, 12:55 AM Go to last post

  43. JComboBox and array problems

    Started by tristannvk, December 6th, 2012 01:11 PM
    • Replies: 6
    • Views: 456
    alaindhaene
    December 23rd, 2012, 09:39 AM Go to last post

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

    Started by nafty, December 17th, 2012 01:03 PM
    • Replies: 5
    • Views: 468
    alaindhaene
    December 23rd, 2012, 01:02 AM Go to last post

  45. Help With Multidimensional Arrays

    Started by tristannvk, December 20th, 2012 12:50 PM
    • Replies: 4
    • Views: 342
    tristannvk
    December 20th, 2012, 02:05 PM Go to last post

  46. Collections vs. Objects

    Started by nafty, December 14th, 2012 12:20 PM
    collections, difference, objects, vs.
    • Replies: 1
    • Views: 339
    helloworld922
    December 14th, 2012, 12:47 PM Go to last post

  47. Question Help understanding Command-Line Arguments

    Started by Truck35, December 13th, 2012 05:15 PM
    arrays, command-line arguments
    • Replies: 1
    • Views: 402
    pbrockway2
    December 13th, 2012, 05:16 PM Go to last post

  48. T and <T>

    Started by that_guy, December 7th, 2012 05:27 PM
    • Replies: 3
    • Views: 450
    curmudgeon
    December 7th, 2012, 08:08 PM Go to last post

  49. String array problem

    Started by hwhelp, December 3rd, 2012 05:17 PM
    • Replies: 4
    • Views: 356
    hwhelp
    December 4th, 2012, 09:59 AM Go to last post

  50. [SOLVED] Algorithm for all possible combinations?

    Started by affebaffe, December 2nd, 2012 08:08 AM
    • Replies: 8
    • Views: 560
    affebaffe
    December 3rd, 2012, 04:51 AM Go to last post
Page 1 of 11 123 ... 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