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. December 11th, 2009
    Views:
    51,085
Page 1 of 13 12311 ... LastLast
Threads 1 to 50 of 616

Forum: Collections and Generics

Arrays, ArrayList, HashMap..

  1. convert arraylist to a hash map

    Started by nadman123, October 7th, 2008 05:16 PM
    • Replies: 1
    • Views: 51,985
    July 29th, 2009, 04:24 AM Go to last post
  2. TreeMap vs HashMap

    Started by Kerr, March 9th, 2011 06:23 AM
    • Replies: 7
    • Views: 13,930
    March 10th, 2011, 09:12 AM Go to last post
  3. Help with Finding Max and Min Values of ArrayList

    Started by CheekySpoon, March 1st, 2011 02:51 PM
    • Replies: 3
    • Views: 10,719
    March 2nd, 2011, 07:57 PM Go to last post
  4. how to compare two set values

    Started by humdinger, March 13th, 2010 08:34 AM
    • Replies: 1
    • Views: 10,372
    March 13th, 2010, 10:46 AM Go to last post
  5. ArrayList Problem

    Started by Marty, June 16th, 2009 12:56 AM
    arraylist, random arraylist
    • Replies: 16
    • Views: 10,366
    August 31st, 2010, 03:47 AM Go to last post
  6. Returning Random Strings from an Array

    Started by cfmonster, September 3rd, 2009 11:03 PM
    • Replies: 3
    • Views: 10,031
    September 8th, 2009, 11:13 PM Go to last post
    • Replies: 5
    • Views: 8,776
    October 11th, 2012, 03:48 PM Go to last post
  7. Java program to do Matrix operation

    Started by saladfingers73, February 1st, 2009 05:11 PM
    • Replies: 5
    • Views: 8,158
    March 7th, 2012, 08:17 AM Go to last post
  8. Pick random objects from array/arraylist. Newbie.

    Started by Sputnik, October 23rd, 2010 01:41 PM
    • Replies: 3
    • Views: 7,963
    October 29th, 2010, 11:59 AM Go to last post
  9. Expanding the capacity of an array

    Started by dubois.ford, April 6th, 2010 02:58 PM
    • Replies: 5
    • Views: 7,413
    May 7th, 2010, 05:58 AM Go to last post
  10. Different operation on Array

    Started by jempot, January 11th, 2009 05:44 AM
    • Replies: 4
    • Views: 7,385
    January 27th, 2009, 05:07 AM Go to last post
  11. Cool Eliminating Duplicates in an Array

    Started by m2msucks, October 23rd, 2011 01:09 AM
    • Replies: 4
    • Views: 7,067
    October 30th, 2011, 03:03 AM Go to last post
  12. Angry Changing Array variables from different classes

    Started by smellyhole85, December 9th, 2010 06:42 AM
    • Replies: 6
    • Views: 6,915
    December 9th, 2010, 02:18 PM Go to last post
  13. dynamically resizing 2d array

    Started by Flamespewer, March 1st, 2010 04:37 PM
    • Replies: 2
    • Views: 6,528
    March 2nd, 2010, 10:10 AM Go to last post
  14. [SOLVED] 2D Vector

    Started by nasi, April 16th, 2010 07:55 PM
    2d vector
    • Replies: 2
    • Views: 6,504
    May 6th, 2010, 01:42 AM Go to last post
  15. sieve of eratosthenes

    Started by rsala004, October 27th, 2009 05:55 AM
    • Replies: 5
    • Views: 6,460
    December 29th, 2010, 09:37 AM Go to last post
  16. Fill & sort an array

    Started by yroll, March 31st, 2010 03:12 PM
    • Replies: 2
    • Views: 6,171
    April 1st, 2010, 06:00 AM Go to last post
  17. filling an array with strings

    Started by exose, February 18th, 2011 05:09 AM
    • Replies: 3
    • Views: 6,098
    February 18th, 2011, 08:44 AM Go to last post
    • Replies: 2
    • Views: 5,827
    April 4th, 2012, 05:22 AM Go to last post
  18. Object array to int array?

    Started by rsala004, October 30th, 2009 12:57 AM
    • Replies: 1
    • Views: 5,769
    October 30th, 2009, 04:09 AM Go to last post
  19. Writing clone() method for LinkedList

    Started by vluong, October 26th, 2009 06:51 PM
    • Replies: 6
    • Views: 5,474
    October 27th, 2009, 08:41 AM Go to last post
  20. [SOLVED] Java program to sort arrays containing dates

    Started by scottyadam, February 28th, 2009 11:10 PM
    • Replies: 1
    • Views: 5,472
    March 9th, 2009, 06:08 PM Go to last post
  21. [SOLVED] javabat example makeLast

    Started by Truffy, June 30th, 2009 10:34 PM
    • Replies: 3
    • Views: 5,398
    July 5th, 2009, 08:25 PM Go to last post
  22. Implementing Multiple Interfaces with Generics

    Started by darkestfright, February 10th, 2010 01:09 PM
    • Replies: 5
    • Views: 5,356
    February 10th, 2010, 07:44 PM Go to last post
  23. Question Array of contacts (address book)

    Started by smush, March 29th, 2010 09:32 PM
    address, array, book, java, swing
    • Replies: 11
    • Views: 5,227
    April 29th, 2010, 03:08 AM Go to last post
  24. Creating an Expression Tree

    Started by vluong, November 28th, 2009 10:41 PM
    • Replies: 0
    • Views: 5,194
    November 28th, 2009, 10:41 PM Go to last post
  25. Post Multi-dimension ArrayList example

    Started by adeola, March 15th, 2010 05:30 AM
    • Replies: 3
    • Views: 5,087
    March 26th, 2010, 03:23 AM Go to last post
  26. Retrieving BFS code's adjacency list

    Started by moose4204l, October 20th, 2008 06:30 PM
    • Replies: 0
    • Views: 5,026
    October 20th, 2008, 06:30 PM Go to last post
  27. Arraylist Save and Load

    Started by frankycool, November 14th, 2009 02:25 AM
    arraylist, arraylist io object, arrays, input, output
    • Replies: 1
    • Views: 4,828
    November 14th, 2009, 05:48 AM Go to last post
  28. game development- collision detection question

    Started by david37370, July 7th, 2013 04:50 PM
    collision detection, game, game developing, games arcade, programming
    • Replies: 11
    • Views: 4,820
    July 21st, 2013, 12:54 PM Go to last post
  29. Java program for 2-D Array Maze

    Started by Peetah05, May 1st, 2009 12:43 AM
    • Replies: 11
    • Views: 4,785
    May 8th, 2009, 04:30 AM Go to last post
  30. accessing elements in a 2d ArrayList

    Started by Flamespewer, March 8th, 2010 04:23 PM
    • Replies: 2
    • Views: 4,778
    March 8th, 2010, 05:11 PM Go to last post
  31. Grade Array Trouble

    Started by kite98765, January 7th, 2010 03:58 PM
    • Replies: 3
    • Views: 4,719
    January 7th, 2010, 07:14 PM Go to last post
  32. Edit ArrayList Object

    Started by frankycool, November 14th, 2009 02:02 AM
    arraylist, arrays
    • Replies: 12
    • Views: 4,672
    November 15th, 2009, 11:31 PM Go to last post
  33. Unhappy [SOLVED] How to dynamically create ArrayLists (or something similar)?

    Started by igniteflow, August 5th, 2009 01:22 PM
    • Replies: 4
    • Views: 4,585
    August 6th, 2009, 06:00 AM Go to last post
  34. How to create a sorted set from the contents of an array

    Started by davie, March 11th, 2010 01:39 PM
    • Replies: 1
    • Views: 4,377
    March 11th, 2010, 02:44 PM Go to last post
  35. Question help: union of two array,.. kinda problem

    Started by sanfor, November 26th, 2009 01:55 AM
    • Replies: 2
    • Views: 4,341
    November 29th, 2009, 01:33 PM Go to last post
  36. Difference between Vector and Arraylist

    Started by Lil_Aziz1, January 1st, 2010 04:56 PM
    arraylist, list, synchronize, unsynchronize, vector
    • Replies: 4
    • Views: 4,340
    January 3rd, 2010, 10:03 AM Go to last post
  37. Importing data from .csv into array

    Started by mikeg, November 10th, 2010 05:18 AM
    • Replies: 3
    • Views: 4,288
    November 12th, 2010, 04:59 AM Go to last post
  38. Buffered Reader to J Option

    Started by jk_0821, July 12th, 2010 09:20 AM
    • Replies: 13
    • Views: 4,252
    July 19th, 2010, 03:14 PM Go to last post
  39. Question Eliminating duplicate values

    Started by Harry_, November 6th, 2009 12:53 PM
    • Replies: 7
    • Views: 4,232
    November 9th, 2009, 05:35 AM Go to last post
  40. ArrayList<String> convert to lowercase

    Started by s_mehdi76, October 30th, 2010 11:19 AM
    arraylist<string> lowercase
    • Replies: 1
    • Views: 4,167
    October 30th, 2010, 09:05 PM Go to last post
  41. Taking Input in String Array

    Started by syehjafa, July 11th, 2011 11:31 AM
    • Replies: 8
    • Views: 4,124
    July 25th, 2011, 07:18 AM Go to last post
  42. All possible combinations of a 1D array

    Started by Gabriel, August 10th, 2009 12:31 PM
    • Replies: 2
    • Views: 4,043
    August 11th, 2009, 10:35 PM Go to last post
  43. Priority Queue using comparable

    Started by jkalm, December 3rd, 2010 02:05 PM
    • Replies: 6
    • Views: 4,041
    December 5th, 2010, 09:02 PM Go to last post
  44. Duplicate elements in 2 Arraylist

    Started by tcstcs, April 16th, 2011 12:30 PM
    • Replies: 3
    • Views: 4,041
    April 18th, 2011, 12:56 AM Go to last post
  45. ArrayList and making a Menu

    Started by Silver, January 27th, 2010 06:01 PM
    • Replies: 2
    • Views: 3,983
    January 28th, 2010, 02:29 AM Go to last post
  46. Removing duplicates from an Array

    Started by Rizza, February 21st, 2012 04:42 PM
    • Replies: 1
    • Views: 3,972
    February 21st, 2012, 05:38 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
  •