Is it ever necessary to add extends Object to a class declaration?

No; that is the default. In other words, if you don't add "extends", the class will automatically inherit from the "Object" class.

No; that is the default. In other words, if you don't add "extends", the class will automatically inherit from the "Object" class.

No; that is the default. In other words, if you don't add "extends", the class will automatically inherit from the "Object" class.

No; that is the default. In other words, if you don't add "extends", the class will automatically inherit from the "Object" class.
No; that is the default. In other words, if you don't add "extends", the class will automatically inherit from the "Object" class.
No; that is the default. In other words, if you don't add "extends", the class will automatically inherit from the "Object" class.
No; that is the default. In other words, if you don't add "extends", the class will automatically inherit from the "Object" class.
No; that is the default. In other words, if you don't add "extends", the class will automatically inherit from the "Object" class.