関連ワード:  how to create a final class in java    how to make a class final in java    how to create object of final class in java    how to create a class in java    how to create a class in javascript    how to create a class in java eclipse    how to create a class in java vscode    how to create a class in java intellij    how to create a class in java netbeans    how to create a class in java with attributes