FULL PRODUCT VERSION :
java version "9.0.1"
Java(TM) SE Runtime Environment (build 9.0.1+11)
Java HotSpot(TM) 64-Bit Server VM (build 9.0.1+11, mixed mode)

ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows [version 6.3.9600]

EXTRA RELEVANT SYSTEM CONFIGURATION :
Intel HD Graphics 4600
1290 * 1080 screen resolution.

A DESCRIPTION OF THE PROBLEM :
All Swing Windows of all applications (NetBeans, etc.) appear blurred & very "ugly" if user
increases Windows Screen Resolution Options.

(Configuration Panel==> All Configuration Panels ==> Display ==> Change the size of all items)

There a 3 options :
- Small (100%)
- Medium 125 % (default)
- Big 150%

If user selects Medium or Big radio button, all Swing Windows appear blurred & very "ugly" .



REGRESSION. Last worked in version 8u162

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
Configuration Panel==> All Configuration Panels ==> Display ==> Change the size of all items

There a 3 options :

- Small (100%)
- Medium 125 % (default)
- Big 150%

Choose Medium or Big..

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
To have nice & clean Swing rendeding as with Java 8 and prior version.
ACTUAL -
Ugly and blurred Swing windows.

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
import javax.swing.JOptionPane;

public class Test {

    public static void main(String args[]) {
        JOptionPane.showMessageDialog(null, "Swing apps are blurred & ugly if user "
                + "changes Windows elements size to 125% or more.");
    }
}
---------- END SOURCE ----------

CUSTOMER SUBMITTED WORKAROUND :
No workaround.

I have to set back elements size to 100%