FULL PRODUCT VERSION :
java version "9"
Java(TM) SE Runtime Environment (build 9+181)
Java HotSpot(TM) 64-Bit Server VM (build 9+181, mixed mode)

ADDITIONAL OS VERSION INFORMATION :
Windows 10

EXTRA RELEVANT SYSTEM CONFIGURATION :
4K monitor

A DESCRIPTION OF THE PROBLEM :
Java 9 distorts BufferedImages when it automatically resizes screens. I'm suspecting it has something to do with this ==> http://openjdk.java.net/jeps/263 being delivered in Java 9.

Related question asked on Stack Overflow with example output==>https://stackoverflow.com/questions/46736757/disable-automatic-rescaling-of-bufferedimage-in-jdk9

REGRESSION. Last worked in version 8u144

ADDITIONAL REGRESSION INFORMATION:
java version "1.8.0_144"
Java(TM) SE Runtime Environment (build 1.8.0_144-b01)
Java HotSpot(TM) 64-Bit Server VM (build 25.144-b01, mixed mode)

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Execute attached source code on Windows 10 using Java 9.

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
Lines in buffered image should alternate between back and white (using attached source code)
ACTUAL -
Distortion of lines occur in a triangular pattern

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
public static void main(String[] args){
        JFrame frame=new JFrame("Java version 9");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        BufferedImage image =new BufferedImage(800,600,BufferedImage.TYPE_INT_RGB);
        Graphics2D g=image.createGraphics();
        g.setColor(Color.WHITE);
        for(int y=0;y<image.getHeight();y+=2){
            g.drawLine(0,y,image.getWidth(),y);
        }
        g.dispose();
        ImageIcon imageIcon=new ImageIcon(image);
        JLabel label=new JLabel(imageIcon);
        frame.add(label);
        frame.pack();
        frame.setVisible(true);
    }
---------- END SOURCE ----------

CUSTOMER SUBMITTED WORKAROUND :
Don't upgrade to Java 9