Видео с ютуба Why Does The Jscrollpane Show Up But Not Its Scroll Bar

Solving Your JScrollPane Issues: Why is it Not Scrolling?

Fixing the JScrollPane: Why Your Scroll Bar is Missing and How to Fix It

How to Keep a JScrollPane's Scroll Bar in Place While Moving the Caret in Java Swing

Solving the ScrollBar Dilemma in Java Swing: How to Properly Add JScrollPane