class

• class NAME { MEMBER ... }
  This form creates a class with the given name that extends Object. If no constructor is provided, one will be generated that takes no arguments.
• class NAME extends NAME { MEMBER ... }
  This form creates a class with the given name that inherits from the class named by extends. If no constructor is provided, one will be generated that takes no arguments.
• abstract class NAME { MEMBER ... }
  This form creates an abstract class with the given name that extends Object. Members can include abstract methods.
• abstract class NAME extends NAME { MEMBER ... }
  This form creates an abstract class with the given name that inherits from the class named by extends. Members can include abstract methods.
• class NAME implements NAME, NAME ... { MEMBER ... }
  This form creates a class with the given name that extends Object and implements the named interfaces. If no constructor is provided, one will be generated that takes no arguments. All methods named in the interfaces must be present among the members.
• class NAME extends NAME implements NAME, NAME ... { MEMBER ... }
  This form creates a class with the given name that inherits from the class named by extends and implements the named interfaces. If no constructor is provided, one will be generated that takes no arguments. All methods named in the interfaces must be present among the members.
• abstract class NAME implements NAME, NAME ... { MEMBER ... }
  This form creates an abstract class with the given name that extends Object and implements the named interfaces. Members can include abstract methods. This class need not implement all methods in the interfaces, but all non-abstract subclasses must.
• abstract class NAME extends NAME implements NAME, NAME ... { MEMBER ... }
  This form creates an abstract class with the given name that inherits from the class named by extends and implements the named interfaces. Members can include abstract methods. This class need not implement all methods in the interfaces, but all non-abstract subclasses must.

ProfessorJ Advanced Language