関連ワード:  java have multiple classes in one file    java create multiple classes in one file    can java have multiple classes in one file    java can you have two classes in one file    java multiple classes in one file example    java define multiple classes in one file    java put multiple classes in one file    java 21 multiple classes in one file    having multiple classes in a java file    java two classes in one file  
結果 : java have multiple classes in one file