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  1. I don't know how to debug this error: Null Pointer Exception
  2. How do i import a .dat file into java and isolate the numbers that are in the file?
  3. Debugging: Cannot Find Symbol
  4. A little confused about charAt()
  5. Collision Detection HOW!? Im using intersects(Rectangle)
  6. reversing an array
  7. Reading an Array with Scanner class
  8. Probably really simple solution!
  9. Probably Wrong Section But need to do IRS program in Java (Blue J)
  10. Map and ArrayList problem
  11. I want to convert this If-Else Statement program to Switch Statement
  12. Unable to traverse a tree in java
  13. http500
  14. calculator-Switch not invoked
  15. java.lang.ClassNotFoundException
  16. Linked Lists
  17. Employee/ProductionWorker Class
  18. flesch syllable counter
  19. try and catch not working with double values??
  20. Writing to .Txt File Logic
  21. Creating and Adding packages to ClassPath Enviroment Variables
  22. Need one class to run a second class
  23. Regular expression not accepted in Java
  24. Having trouble with Pattern Matching
  25. for in while loop and arraylist advanced for
  26. Problem with an exercise in java
  27. [Assignment] BFT using Directed Graphs, but having an issue with the traversal.
  28. Java Debugging Help
  29. I cannot get my if statement to work very well.
  30. A small problem
  31. New to Java - HELP!!!!!!!
  32. Java match-up game code 2D array
  33. MouseAdapter Class?
  34. I can not remove space or tab from text file
  35. Java canvas with palette
  36. Not compiling :(
  37. how to control the speed of random characters with repaint method
  38. For loop not working properly
  39. string arrays and copying
  40. Re: How to check the value entered in the texbox is numeric or non numeric in java
  41. Can someone explain the clone interface in noobish terms?
  42. Java swing JTextArea
  43. Array via socket
  44. Method that displays a rectangle
  45. Need help with creative use of indexOf-command
  46. how to solve my issue? if statement in my program....
  47. system.out.println problem, fairly standard but having problems
  48. Java 2D game - creating menu
  49. [SOLVED] Error when trying to run .jar file
  50. Stock Program, exclude
  51. I need help with Graphics
  52. Help me Please??
  53. Program that converts user input of ints into asterisks
  54. lottery GUI program
  55. java.util.Calendar
  56. SQL - Syntax error in UPDATE statement
  57. Class doubt
  58. Find a prime number
  59. Arraylist-Objects
  60. Need help w/ question based on Copying Pixels
  61. Error: Could not find or load main class Test
  62. Running .jar as windows task
  63. Calculating segment costs
  64. Help with Date calculations
  65. Abstract Classes... Do I understand this?
  66. School Timetable system
  67. Creating a personal exception class.
  68. "Illegal start of expression", What does this mean?
  69. How to create a battleship grid?
  70. Assistance with homework assignment?
  71. Inheritance using extend class
  72. word syllable program help
  73. Time and backup?
  74. Paycheck help
  75. How to rotate the output of an array 90 degrees clockwise
  76. Inventory Management App
  77. Array of Objects, not working!
  78. Program freezes please help
  79. Query about data structure
  80. Error in inverted Pascal triangle program
  81. condition
  82. Can't figure out these errors
  83. New to Java... Help?
  84. Creating a GUI
  85. Formatting date and returning as a string.
  86. random array permutation
  87. Setting a value from an input in a Command line
  88. morphingMovie.java code---help
  89. count array data less than number being compared to
  90. Please help: just cannot get my first ever applet to run
  91. typing application
  92. Java Battleship Program
  93. HELP: Java code to compress 0s using run-length compression technique
  94. Battleship Program
  95. IF / ELSE Rules
  96. Jagged array loop question
  97. If statements
  98. Exception in thread "main" java.lang.NullPointerException
  99. Request
  100. Interface and implementations
  101. Deployment
  102. combo box
  103. FrameSequencer
  104. How to make a custom JComboBox or JList
  105. Recursive method help?
  106. JComboBox change text but keep the values
  107. State Based Game
  108. Is it possible to store multiple numbers to one variable?
  109. ArrayLists Of Objects help!
  110. Converting Military Time
  111. How to add an collection item into an array list in a different class
  112. Mapping: "redundant type arguments in new expression (use diamond operator instead)"
  113. Http Status 404 - Unable to configure TOMCAT 7.0 in ECLIPSE (JUNO) version
  114. Representing classes visually on a 'timeline'
  115. Does an array start ARRAY[0] or ARRAY[1]?
  116. Help with Code
  117. Java Arrays( Searching ) Please help.
  118. File Help
  119. Help with Relation Algebra
  120. help with exceptions
  121. hi i want to ask how to make grafik
  122. A rather unusual for loop
  123. Sorting ArrayList consisting of String Arrays.
  124. Remainder - Coins
  125. Adding random number to array list
  126. Programming IBM InfoSphere DataStage using Java?
  127. Percentage in Java
  128. Aligning and Stretching components (i.e. JButton)
  129. Ambiguos JAVA
  130. JButton close?
  131. java basics
  132. Help with Java program (Loops)
  133. JCalender
  134. Problems with morphing Methods
  135. Can .class files be decompiled?
  136. Else-Without-If and Other Issues That Don't Make Sense
  137. Problems with code/cannot find symbol
  138. Please help with array problem, thanks
  139. Not Understanding: NoClassDefFoundError
  140. variables in loops
  141. Help with Scanner
  142. Scanner and if/else problem.
  143. Trying to make this code work...
  144. ActionListener: No pause/program keeps running?
  145. call an array list in another class?
  146. Set Return Value on User Defined Type
  147. .txt file to multidimensional array
  148. Trying To Get This Code To Repeat
  149. Need help with sentinels and ArrayLists
  150. Help with morphing a picture
  151. Press enter to continue...
  152. array or arraylist for reading file
  153. Constructors
  154. Have user input custom variable name
  155. NegativeArray
  156. How to find duplicate words in string array?
  157. reading from file help
  158. .txt file to multidimensional array
  159. Help with JButton please.
  160. constructor inheritance
  161. Custom Listeners
  162. Comparing system requirements
  163. ArrayIndexOutOfBounds Help
  164. usage of array..
  165. the import x cannot be resolved
  166. Recursive program keeps saying Stackoverflow HELP :(
  167. Read from file to array - problem
  168. Action Listener problems
  169. Theorical question
  170. Help to rotate a pic 180 degrees (upside down)
  171. Need help converting random number to a int
  172. Syntax Error w/ my method
  173. Class, Parent Help
  174. Buffered Reader is missing data
  175. Make a folder and move a file to it
  176. How to create a jar file without changing the development directory structure
  177. Scanner and if/else trouble
  178. Program not waiting for user input
  179. Java 3D not working
  180. Getting value from pre-Mod calculation
  181. graphical ls
  182. Stream Object Initialization
  183. Trouble writing an Integer to a text file and reading back with scanner and storing
  184. Word Collider
  185. Error reading file
  186. if/else test if y is a multiple of z
  187. cluster series
  188. Programming an echo to a sound
  189. How do you scan a string with spaces?
  190. How to put an input dialog box in a combo box program
  191. Creating an instance
  192. Help Creating Mouseclick Events
  193. Sentinel Loop
  194. time compare
  195. NoClassDefFoundError
  196. How do I make a simple java text game?
  197. Converting image into a "night time" effect (changing pixels colors)
  198. Arrays and Matrices
  199. String Index Out of Bounds Exception
  200. trying to draw up space invader "bunkers" but keep getting an NullPointerException
  201. How can I add an image to a message dialog box
  202. I need help adding a mouse click event to my code
  203. Scanner doubt
  204. New to JAVA, and coding error
  205. role of object
  206. How to add text on an image
  207. I want to know if this is possible with java?
  208. New to Java. Need help writing code. (Classes and Objects)
  209. Help Please, Learning To Program In Java Through Stanford Free Online Course
  210. mysql and java
  211. Normal to recursive method due tomorrow please help!!
  212. i feel like a retard! Java noob!
  213. Two questions!
  214. Coding error :L
  215. Convert graphical JApplet to facebook iFrame app
  216. Java problem.....About sorted array and linked list. Would like to pay $20.....
  217. Calendar Date Range
  218. Capitalizing a letter - semantic problem
  219. Accessing WPD via MTP (jmtp API)
  220. Exception name for wrong return type?
  221. Eight Queens Problem
  222. Instanceof
  223. Sort Html table data using javascript
  224. Help needed. y / n
  225. Syntax error in If statement
  226. How do I flip this image?
  227. How to make a resizable JFrame using a drop down list with different resolutons?
  228. Deision makiing and loop control
  229. If a and b are both int arrays, will a = b copy all elements of b into a?
  230. NULLPointer Exception
  231. how to let the JFrame or JDialog can not be minimized on win+D
  232. Need help with an ArrayList please
  233. Java Error: '____ has private access in ____'
  234. Java xml parsing help
  235. Count occurances in array
  236. Can someone explain hash table/hash function to me.... Thanks!
  237. Regex/Selector with Java
  238. Problem with creating a triangle out of integers...
  239. Scanner: useDelimiter(); to get rid of quotes (" ")
  240. Re-painting
  241. Unwanted Null output.
  242. non-static variable request cannot be referenced from a static context
  243. Please need help with this program :)
  244. unexpected NullPointerException
  245. Why do I keep getting these errors?
  246. java set grid GUI
  247. private helper methods
  248. String to Integer Conversion in JSP
  249. Hangman Game loop
  250. Really need help with an Array problem