関連ワード:  how to write a static method in java    how to create a static method in java    how to create a static method in javascript    how to write a public static method in java    how to write a non static method in java    how to create a static function in java    how to create generic static method in java    how to write test case for static method in java    how to create static function in javascript    how to write test cases for static methods in java using mockito