- Processing
- p5.js
- Processing.py
- Processing for Android
- Processing for Pi

- Processing Foundation

This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, please let us know. If you prefer a more technical reference, visit the Processing Core Javadoc and Libraries Javadoc.

Class | PrintWriter
Name | ### flush()
Examples |
    PrintWriter output;

    void setup() {
      // Create a new file in the sketch directory
      output = createWriter("positions.txt");
    }

    void draw() {
      point(mouseX, mouseY);
      output.println(mouseX);  // Write the coordinate to the file
    }

    void keyPressed() {
      output.flush();  // Writes the remaining data to the file
      output.close();  // Finishes the file
      exit();  // Stops the program
    }
Description | Flushes the PrintWriter object. This is necessary to ensure all remaining data is written to the file before it is closed.
Syntax |
    pw.flush()
Parameters |
pw | any object of the type PrintWriter

Updated on January 1, 2021 03:38:12am EST
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