關於「Import class java」標籤，搜尋引擎有相關的訊息討論：

Import a custom class in Java - Stack Overflowstackoverflow.com › questions › import-a-custom-class-in-...Java Packages - W3Schoolswww.w3schools.com › java › java_packagesJava Import Statements: Managing Classes and Packagesioflood.com › blog › java-import#53 Packages in Java -