"A specific and load bearing property" + images that scrub left and right annoyingly the entire video. I may be cynical but I believe the entire video was produced by Claude

One word "Eclipse".

Hard to sell JBuilder and other similar products for thousands when there are good enough equivalents available for free or significantly lower prices, eg IJ.

I still have some .EXE and .COM compiled with Turbo C 1.0 in 1988 laying around old saved subdirectory trees.

In 1986, I purchased a copy of Turbo Pascal 3.0 for $35 at the university bookstore. It was the cat's pajamas.