Nullpointerexception Processing Error
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this page Aug 25, 2014 · 3 revisions Pages 40 Home Advanced OpenGL Advanced OpenGL in Processing 2.x unexpected token void processing Build Instructions C.H.I.P. Changes Changes in 3.0 Command Line Common Errors Contributing to Processing with Pull Requests Core Values Examples Overview Export Info and Tips FAQ GSOC 14
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PDE 3.0 How to Install a Contributed Library ITP Processing Internships Library Basics Library Guidelines Library Overview Localization Multiple Sketchbooks OpenGL Issues Processing Fellowships Project List Raspberry Pi Report Bugs Repositories Running without a Display Serial Issues Style Guidelines Supported Platforms Templates Tool Basics Tool Guidelines Tool Ideas Tool Overview Troubleshooting Window Size and Full Screen Window processing error definition Size and Full Screen for Processing 2.0 Show 25 more pages… Clone this wiki locally Clone in Desktop unexpected token: something Translation: I’m expecting a piece of code here that you forgot, most likely some punctuation, like a semi-colon, parentheses, curly bracket, etc. This error is pretty much always caused by a typo. Unfortunately, where the error points you to can be misleading. The “something” is sometimes just fine and the actual error is caused by the line before or after that piece of code. Anytime you forget or include an improper comma, semi-colon, quote, parentheses, bracket, etc., you’ll get this error. Here are some examples: Incorrect: int val = 5 Correct: int val = 5; Found one too many { characters without a } to match it Translation: You forgot to close a block of code, such as an if statement, a loop, a function, a class, etc. Incorrect: void setup() { for (int i = 0; i < 10; i++) { if (i > 5) { line(0,i,i,0); println("i
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Processing 3 Nullpointerexception
forum will remain online. Index › Programming Questions & Help › Programs › What does NullPointerException Mean unexpected token processing Previous Topic | Next Topic Pages: 1 What does NullPointerException Mean? (Read 1510 times) milneandfletch YaBB Newbies Offline Posts: 14 What does NullPointerException Mean? Nov 28th, 2009, https://github.com/processing/processing/wiki/Common-Errors 4:00am Hi,I'm using the text command, and i am getting NullPointerException fromn the complier, what does this mean? The code is not working so i guess its not good!ThanksPete Cedric YaBB Moderator Offline Posts: 1838 Re: What does NullPointerException Mean? Reply #1 - Nov 28th, 2009, 4:09am so maybe show us your code https://processing.org/discourse/beta/num_1259409632.html and we can tell you whats wrong twitter.com/CedricKiefer milneandfletch YaBB Newbies Offline Posts: 14 Re: What does NullPointerException Mean? Reply #2 - Nov 28th, 2009, 4:17am Hi Cedric,Again thanks for your support.here is the code, its a little all over the place as its in development!I'm trying to read in a string from the serial port and then print it out in draw(), the string is printing out ok, i just cant get the text command to work!ThanksPete Code://Processing code to run with this example:import processing.serial.*; // import the Processing serial librarySerial myPort; // The serial portfloat bgcolor; // Background colorString fgcolor; // Fill colorString xpos, ypos; // Starting position of the ballchar sender = 'A';PFont font;String s;String mystring_ext;void setup() { size(200,200); // List all the available serial ports println(Serial.list()); // I know that the first port in the serial list on my mac // is always my Arduino module, so I open Serial.list()[0]. // Change the 0 to the appropriate number of the serial port /
Tool DevelopmentEvents and OpportunitiesGeneral Discussion Sub forum : Move this topic Cancel Programming Questions nighrage Resolving NullPointerException in Programming Questions • 2 years ago I am creating a sketch which https://forum.processing.org/topic/resolving-nullpointerexception is capable of publishing a scatter plot and parallel plot on two different pages. Both thesketcheswork perfectly when I run them individually but when I run them as a http://stackoverflow.com/questions/14732156/nullpointerexception-in-processing single sketch with two page then one sketch works but the other generates an error message. The code is provided below and the source of the error ishighlightedin processing error red. How do I resolve the NullPointerException error? import org.gicentre.utils.colour.*; // For colour tables. Table irisData; // All the Iris data. float[] colours; // Line colours. float[] maxValues; // Maximum data values for each column. ColourTable cTable; // Line colour table. void setup2() { size(600,600); smooth(); textAlign(CENTER,CENTER); textSize(18); nullpointerexception processing error readData(); } void drawPage1() { background(255); // The x-position of the two parallel axes. float x1 = width*.25; float x2 = width*.75; // Plot the data items. strokeWeight(0.7); for (int row=0; row here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 6.2 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up NullPointerException in processing up vote -1 down vote favorite I have to make a program that will ask for the user to enter 10 names, then sort the names alphabetically, then print each name, how many characters, and how many vowels. I think I am close but keep getting this error in processing. Can anyone help with this? `Exception in thread "Animation Thread" java.lang.NullPointerException at java.lang.String$CaseInsensitiveComparator.compare(String.java:1217) at java.lang.String$CaseInsensitiveComparator.compare(String.java:1211) at java.lang.String.compareToIgnoreCase(String.java:1258) at test.setup(test.java:35) at processing.core.PApplet.handleDraw(PApplet.java:2117) at processing.core.PGraphicsJava2D.requestDraw(PGraphicsJava2D.java:193) at processing.core.PApplet.run(PApplet.java:2020) at java.lang.Thread.run(Thread.java:662)` My code is: import javax.swing.*; String names[] = new String[10]; String temp; String nameInput; int length; int vowel = 0; char ch; length = 0; // store user input to array for (int i = 0; i < names.length; i++) { nameInput = JOptionPane.showInputDialog ("Enter a name:"); names[i] = nameInput; length = names[i].length(); // sort into alphabetical order for (int j = 0; j < names.length - 1; j++) { for (int k = j + 1; k < names.length; k++) { if (names[j].compareToIgnoreCase(names[k]) > 0) { temp = names[j]; names[j] = names[k]; names[k] = temp; } } } // count vowels char[] characters = nameInput.toCharArray(); for (int m = 0; m < characters.length; m++) { ch = nameInput.charAt(m); if ((ch == 'A') || (ch == 'a') || (ch == 'E') || (ch == 'e') || (ch == 'I') || (ch == 'i') || (ch == 'O') || (ch == 'o') || (ch == 'U') || (ch == 'u')) { vowel++; } } System.out.println("Name: " + names[i] + ", Length: " + length + ", Vowels: " + vowel); vowel =