public void setDisplay(int mon) {
        putInteger("Display", mon);
    }
Sets the display number used when creating a window. The position number is the number in the
list of monitors GlfwGetMonitors returns.

<p>
This setting is used only with LWJGL3, it defines which display to use when creating a OpenGL
window. its default value is 0.

@param mon the desired display used when creating a OpenGL window
jme3-core/src/main/java/com/jme3/system/AppSettings.java