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Reference for Processing version 1.0+. If you have a previous version, use the reference included with your software. If you see any errors or have any comments, let us know.

Name try Examples BufferedReader reader; String line; void setup() { // Open the file from the createWriter() example reader = createReader("positions.txt"); } void draw() { try { line = reader.readLine(); } catch (IOException e) { e.printStackTrace(); line = null; } if (line == null) { // Stop reading because of an error or file is empty noLoop(); } else { String[] pieces = split(line, TAB); int x = int(pieces[0]); int y = int(pieces[1]); point(x, y); } } Description The try keyword is used with catch to handle exceptions. Sun's Java documentation defines an exception as "an event, which occurs during the execution of a program, that disrupts the normal flow of the program's instructions." This could be, for example, an error while a file is read. Syntax try { tryStatements } catch (exception) { catchStatements } Parameters tryStatements if this code throws and exception, the code in catch is run exception a Java exception catchStatements code that handles the exception Usage Web & Application

Updated on October 18, 2009 12:28:21pm PDT












Processing was initiated by Ben Fry and Casey Reas. It is developed by a small team of volunteers.


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