e603. getting the available screen sizes, refresh rates, and number of colors.txt

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This example demonstrates how to retrieve all available combinations of screen size, refresh rate, or number of colors for the default screen device. See also e605 Setting the Screen Size, Refresh Rate, or Number of Colors. 
    // Determine if the display mode can be changed
    GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
    GraphicsDevice gs = ge.getDefaultScreenDevice();
    
    DisplayMode[] dmodes = gs.getDisplayModes();
    for (int i=0; i<dmodes.length; i++) {
        int screenWidth = dmodes[i].getWidth();
        int screenHeight = dmodes[i].getHeight();
        int bitDepth = dmodes[i].getBitDepth();
        int refreshRate = dmodes[i].getRefreshRate();
    }

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