diff --git a/core/src/processing/awt/PSurfaceAWT.java b/core/src/processing/awt/PSurfaceAWT.java
@@ -865,10 +865,11 @@ public void placeWindow(int[] location, int[] editorLocation) {

    if (sketch.sketchFullScreen()) {
      setFullFrame();
-    }
-
-    // Ignore placement of previous window and editor when full screen
-    if (!sketch.sketchFullScreen()) {
      if (location != null) {
        // a specific location was received from the Runner
        // (applet has been run more than once, user placed window)
@@ -1105,6 +1106,11 @@ public void windowStateChanged(WindowEvent e) {
        // This seems to be firing when dragging the window on OS X
        // https://github.com/processing/processing/issues/3092
        if (Frame.MAXIMIZED_BOTH == e.getNewState()) {
          // Supposedly, sending the frame to back and then front is a
          // workaround for this bug:
          // http://stackoverflow.com/a/23897602
@@ -1127,7 +1133,7 @@ public void componentResized(ComponentEvent e) {
        // http://dev.processing.org/bugs/show_bug.cgi?id=341
        // This should also fix the blank screen on Linux bug
        // http://dev.processing.org/bugs/show_bug.cgi?id=282
-        if (frame.isResizable()) {
          // might be multiple resize calls before visible (i.e. first
          // when pack() is called, then when it's resized for use).
          // ignore them because it's not the user resizing things.

diff --git a/core/src/processing/core/PApplet.java b/core/src/processing/core/PApplet.java
@@ -59,6 +59,7 @@
import java.net.*;
import java.text.*;
import java.util.*;
import java.util.regex.*;
import java.util.zip.*;

@@ -897,6 +898,7 @@ public PSurface getSurface() {
  int smooth = 1;  // default smoothing (whatever that means for the renderer)

  boolean fullScreen;
  int display = -1;  // use default
  GraphicsDevice[] displayDevices;
  // Unlike the others above, needs to be public to support
@@ -1066,6 +1068,15 @@ final public boolean sketchFullScreen() {
  }


//  // Could be named 'screen' instead of display since it's the people using
//  // full screen who will be looking for it. On the other hand, screenX/Y/Z
//  // makes things confusing, and if 'displayIndex' exists...
@@ -1830,6 +1841,7 @@ public void fullScreen() {
    if (!fullScreen) {
      if (insideSettings("fullScreen")) {
        this.fullScreen = true;
      }
    }
  }
@@ -1839,6 +1851,7 @@ public void fullScreen(int display) {
    if (!fullScreen || display != this.display) {
      if (insideSettings("fullScreen", display)) {
        this.fullScreen = true;
        this.display = display;
      }
    }
@@ -1863,6 +1876,7 @@ public void fullScreen(String renderer) {
        !renderer.equals(this.renderer)) {
      if (insideSettings("fullScreen", renderer)) {
        this.fullScreen = true;
        this.renderer = renderer;
      }
    }
@@ -1879,13 +1893,58 @@ public void fullScreen(String renderer, int display) {
        display != this.display) {
      if (insideSettings("fullScreen", renderer, display)) {
        this.fullScreen = true;
        this.renderer = renderer;
        this.display = display;
      }
    }
  }


  /**
   * ( begin auto-generated from size.xml )
   *
@@ -10320,6 +10379,12 @@ static public void runSketch(final String[] args,
    }

    sketch.showSurface();
    sketch.startSurface();
    /*
    if (sketch.getGraphics().displayable()) {

diff --git a/core/src/processing/javafx/PSurfaceFX.java b/core/src/processing/javafx/PSurfaceFX.java
@@ -125,6 +125,15 @@ public void changed(ObservableValue<? extends Number> value,
          sketch.setSize(newWidth.intValue(), sketch.height);
//          draw();
          fx.setSize(sketch.width, sketch.height);
        }
      });
      heightProperty().addListener(new ChangeListener<Number>() {
@@ -304,6 +313,8 @@ public void start(final Stage stage) {
        stage.setY(screenRect.getMinY());
        stage.setWidth(screenRect.getWidth());
        stage.setHeight(screenRect.getHeight());
      }

      Canvas canvas = surface.canvas;

diff --git a/java/src/processing/mode/java/preproc/PdePreprocessor.java b/java/src/processing/mode/java/preproc/PdePreprocessor.java
@@ -347,10 +347,12 @@ make sure that it uses numbers (or displayWidth/Height), copy into settings

    String[] sizeContents = matchMethod("size", searchArea);
    String[] fullContents = matchMethod("fullScreen", searchArea);
-    // First check and make sure they aren't both being used, otherwise it'll
-    // throw a confusing state exception error that one "can't be used here".
-    if (sizeContents != null && fullContents != null) {
-      throw new SketchException("size() and fullScreen() cannot be used in the same sketch", false);
    }

    // Get everything inside the parens for the size() method
@@ -425,6 +427,20 @@ make sure that it uses numbers (or displayWidth/Height), copy into settings
      return info;
    }

    // Made it this far, but no size() or fullScreen(), and still
    // need to pull out the noSmooth() and smooth(N) methods.
    if (extraStatements.size() != 0) {
@@ -1472,4 +1488,4 @@ private String debugHiddenTokens(antlr.CommonHiddenStreamToken t) {
    }
    return sb.toString();
  }
-}