https://docs.oracle.com/javase/jp/24/docs/api/java.desktop/java/awt/MenuContainer.html
MenuContainer (Java SE 24 & JDK 24)
declaration: module: java.desktop, package: java.awt, interface: MenuContainer
java sejdk
https://docs.oracle.com/javase/jp/6/api/java/awt/MenuContainer.html
MenuContainer (Java Platform SE 6)
java platformse