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Reference

Documentation→Reference→Output→Files→PrintWriter

Name

flush()

Class

PrintWriter

Description

Flushes the PrintWriter object. This is necessary to ensure all remaining data is written to the file before it is closed.

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
}

Syntax

  • pw.flush()

Parameters

  • pwany object of the type PrintWriter
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