Netbeans module failed to install nb-javac
If you netbeans maven module used this in pom.xml, then you will have this problem
I thought Java swing is pixel graphic
In last 20 years, I thought Java swing is pixel graphic, but i found out it is vector. I tried to draw a 1 pixel line with 45 degrees, and when i zoom out, i proved it is not pixel base. So all drawLine, drawRect function calls are vector graphic.