The Java development environment uses OpenJDK 11.0.4 installed on Ubuntu 18.04.
Let's make a GUI calculator application using Java that I was studying before. The GUI part uses javax.swing.
The table of contents below is a rough list of immediate goals. I am thinking of updating it as it progresses.
I think there are many unfamiliar parts, so there may be parts that are misused or interpreted, such as programming terms. I would appreciate it if you could give me some advice at that time.