https://docs.oracle.com/javase/jp/23/docs/api/java.desktop/javax/swing/JToolBar.AccessibleJToolBar.html
JToolBar.AccessibleJToolBar (Java SE 23 & JDK 23)
declaration: module: java.desktop, package: javax.swing, class: JToolBar, class: AccessibleJToolBar
java sejdk
https://docs.oracle.com/javase/jp/18/docs/api/java.desktop/javax/swing/JToolBar.Separator.html
JToolBar.Separator (Java SE 18 & JDK 18)
declaration: module: java.desktop, package: javax.swing, class: JToolBar, class: Separator
java seseparatorjdk
https://docs.oracle.com/javase/jp/9/docs/api/javax/swing/JToolBar.Separator.html
JToolBar.Separator (Java SE 9 & JDK 9 )
java seseparatorjdk