PDA

View Full Version : New To Java



Pages : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 [23] 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151

  1. string array returning null pointer.. any hints?
  2. help with array of objects of class
  3. Need Help with Java EE
  4. Math.sqRt and negative numbers
  5. Improving my understanding of Java
  6. action listener for more than one object in an applet
  7. null pointer exception
  8. what is difference between coupling and decoupling?
  9. Arithmetic exception
  10. For Loop illegal start of expression error
  11. How to define a char that creates an out of bounds index exception
  12. Help With Random Number Guessing Game
  13. battleship
  14. How to use variables from other .java file?
  15. Scanner Vs BufferReader
  16. array trouble
  17. Help a Freshmen.
  18. Problem with 'while' loop, PrintStream
  19. drawing function in a class
  20. End battleship game
  21. Logic error in file creation
  22. Help Me..!
  23. Help with code
  24. Is it possible to detect buttons pressed?
  25. LinkedList Help!!!!!
  26. Thread.Sleep
  27. Is there a way to combine or merge 2 sorted maps into 1 based on a common key?
  28. useDelimiter
  29. Reading char
  30. for loop - not a statement
  31. after closing JFrame, "javaw.exe" is still in task manager
  32. JButton ActionListeners
  33. please assist me for adding a jbutton to a jframe by looking at my code:
  34. could I know what are the minimal requirements for a Frame?
  35. setting up java enviroment
  36. image icon is not working
  37. What's Integer.parseInt & explain what exactly is the main method!
  38. Use the value of Date in "if" statement
  39. Questions! Please help me D:
  40. if statement with arrayitem[randNumber] not executing
  41. from txt into an array
  42. What's wrong with this program?
  43. how to declare the requirement 'take the last element of list, called e'?
  44. Having Trouble Setting Position of Objects on Canvas
  45. Stack indexes?
  46. Static variable
  47. fixedPoint for Stacks
  48. Jar file build
  49. how to create MS Access Database to client side?
  50. BMI calculator using 2 classes.
  51. Help with InputCatchException ~
  52. jre64 on AMD
  53. read/write file
  54. Runiing application
  55. Error: Using Calendar
  56. NullPointerException from java.awt.Container
  57. Error message with Point.
  58. Book is wrong or I just don't get it...
  59. Array prints line 2x
  60. how to run a java program in every OS
  61. get a string's first alphabet.
  62. basic doubt how to allocate memory
  63. Hi everyone... need help in thisss
  64. nested for loop confused with result
  65. Error: Missing Return Statement (Help!)
  66. Need help rewriting a program using Composition rather than inheritance
  67. Help
  68. Error: java.lang.ArrayIndexOutOfBoundsException
  69. Drawing Concentric Circles with For Loops Assignment
  70. Mapping a set to a string
  71. [Starter]Creating a calculator using strings
  72. Rational Numbers in java
  73. Do a lot task in the same time..
  74. singleton design pattern
  75. Noob can't get his head around the basics of java
  76. New programmer - Course mgmt system
  77. Just few questions!
  78. How Can You Convert an Int to a String When It Is a JOptionPane.showOptionDialog?
  79. How do i solve a java precedence PLEEEASE HELP ME :(
  80. Problem returning in a method
  81. How to access a variable in one class from another?
  82. New to Java need help. Have partial code written!!
  83. Doesent delete all the members of arraylist.
  84. Cant figure out why my program wont calculate
  85. Type mismatch: cannot convert from int to boolean even though nothing is a boolean!
  86. Detecting sound from microphone using Java. Issue with Java Versions
  87. Saving data to a file on my website
  88. I ve got some questions for Java , and I need the awnsers for a limited time ! HELP
  89. How to have the subclass method be called instead of the superclass method
  90. Date Math with weekends & holidays?
  91. how to remove bits?
  92. How do you find the average height of a Binary Search Tree?
  93. Size of a binary search tree
  94. ';' expected error
  95. Programming Help
  96. Distance formula
  97. How Do You Make Your Code Rewind to Redo Something?
  98. Parsing some complexNumber
  99. Hello I am new and have some questions about Java
  100. Matrix multiplication program will not work properly. Printing result is wrong.
  101. Please help... I need you!!!
  102. Trailing comma in array initialization - why does it work?
  103. class File - delete() - compiles but I don't understand it
  104. Why/how does this work (initializing an array of Objects)
  105. Particle system.
  106. Using L to denote a long literal
  107. Java Listener at windows System
  108. Working of Upcasting
  109. HELP! How to write simple code for multiple choice quizz with java!
  110. How to impement this? Any idea?
  111. Calling a list from outside the class
  112. Java Calculator Problem
  113. toList Method of Setlmpl
  114. Error on maing a simple dialogue box.
  115. Did I get this right? using multiple method to get rates.
  116. Need help with netbeans, Jlabel and icons =[
  117. letter counter prgm error
  118. Parsing a file with comma as delimiter, with some exceptions to it.
  119. If statement checking if a string value is equal to 2 enums
  120. Random number generation
  121. Pinging an IP adress that is taken from a TextField.
  122. Trying to make a Tile slider but dont know where to start
  123. Convert Java file to .exe file
  124. how to write a program whose main method holds two integer variables??
  125. A couple errors in program
  126. Reading and outputtin multiple lines with a BufferedReader.
  127. equals and contentEquals methods
  128. The One simulator setting
  129. How do I make function to return its value to multiple variable?
  130. NumberFormatException- shouldn't be happening?
  131. [SOLVED] Three-Dimensional Array
  132. Implement the add and member methods of the SetImpl.java
  133. importing from Apache
  134. Error: Unable to realize com.sun.media.PlaybackEngine@2a15d6
  135. Decibel Loudness
  136. StackOverflow Error
  137. Problem importing a jar file into Eclipse
  138. Generics Question
  139. need "JAVA source code" to convert UML activity diagram (png image) to a graph
  140. Parsing Integers
  141. Need help please
  142. how to delete single string from JTextField??
  143. Employee Program
  144. inserting image
  145. Help with first program
  146. first project help
  147. checking valid IP method
  148. this keyword
  149. Impose conditions to method parameters
  150. which data structure should I use for trading system?
  151. Simple Program that displays "PASSED/FAILED VOLTAGE TEST"
  152. A simple paint program
  153. Linking javascript to html, and using a timer for messages. Beginner.
  154. Deal with arraylist
  155. In.open() hilfe...
  156. Printing Setup
  157. Question about Reading a File with Scanner and then Writing with BufferedWriter
  158. Comparing Strings
  159. Just A Small Question
  160. Strings are Immutable
  161. "Error cannot find symbol" "throws BadLocationException"
  162. Retrieving full screen display to add menu.
  163. Trouble in getting the code to open a new frame on clicking a button
  164. If/Else Compiling Error Problems
  165. Implement the add and member methods of the SetImpl.java
  166. Compiles in NetBeans but cannot find txt file after I have created a .jar
  167. Help on File Processing Problem (WordWrap)
  168. Input Error
  169. Exception Handling Method
  170. Guessing Game Client/Server connection problem
  171. Calling a method from main
  172. Project ideas please
  173. I am going to create a trading system with Java, many questions to ask...
  174. Trouble With Variables
  175. Java game development.
  176. Is that mainly because of JIT so that Java has outstanding performance in Linux?
  177. Error: The local variable city may not have been initialized
  178. Counting Occurence of Numbers Entered
  179. textField and Jbutton Question
  180. Please Critique My Code
  181. Passing current class as a parameter problem
  182. when to use abstract classes
  183. Primitive Data Types
  184. How to write code smaller
  185. Please help me solve these Java Problems
  186. Carriage return and new line
  187. About strings!!!! reposted with update ;)
  188. If Statements
  189. objects instantiation
  190. to open a new Frame on clicking a button in Phonebook
  191. TRIED THis CODE for TO FIND THE FIBONACCI USING THREAD ,BUT SHOWING ERROR FOR FOLLOWI
  192. Need help on "variable might not have been initialized"
  193. please help me on this code
  194. Problem with Runtime.getRuntime.exe()
  195. Reading from text file errors ?!?!?!?!?!? Need Help
  196. Configuring Tomcat 7 with SQL SERVER 2008
  197. What's the logic behind this code?
  198. Creating a new directory using new File().mkdir()
  199. need Java tutoring
  200. Help!!!!!!!!!!!!!!!!!!!!!!!!
  201. Searching in an array
  202. Passing JFrame to multiple classes
  203. Time complexity of ThreeToTheN
  204. how to make a curve motion with ball object
  205. Read the index of a string
  206. Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 0
  207. time complexity about 3^n using nested for loop
  208. Java Project Error
  209. I really need help with this..
  210. Need help with a java roll-over (color changer)
  211. Passing labels to methods?
  212. Java Audio
  213. I need help asap!
  214. Include Jar Files for program.
  215. Relational expressions and others
  216. Dimond not working
  217. Stanford NER Named Entity Recognition
  218. I have trouble with an algorithm!! Help!!
  219. Print Line Error
  220. Any Improvement Suggestions?
  221. Removing chars from a string
  222. misunderstanding the dot operator
  223. Error: Could not find or load main class
  224. How to Accept Input from the End User?
  225. Codebase property for RMI
  226. Writing 6 Math Methods to Print Results In a Driver From Two Integers
  227. Why is a variable not updated?
  228. [Java Exception] javax.sound.sampled.UnsupportedAudioFileException
  229. How to write the time complexity about n!
  230. Does the following code compile or not?
  231. I am trying to write the program for Fibonacci number in Java, please help!
  232. Private Fields Question
  233. Recursion Help!
  234. file not found
  235. Checking a Password's Safety
  236. add() method then averaging it
  237. String to Float conversion
  238. User Inputting Integer, Returning Month Name That Goes With That Integer
  239. Why final?
  240. returning objects explanation please
  241. Point me in the right direction
  242. Help with class assignment
  243. garbage collection
  244. new Date().toString comparison to another String
  245. IO stream problem
  246. A method name stored as a string, can I call it to run the method?
  247. Help loop to decide even or odd number !?
  248. Automatic creation of variables based on matrix data
  249. Image between 2 points.
  250. Eclipse CDT not working