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 October 2, 2018 05:02:16pm EDT

Creative Commons License