True or False 1) After a user defines his/her own constructor in a Java class, the default constructor is still available.___(2) Java supports multiple inheritances directly.___(3) Some methods in an interface can have method body.
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- T/F 3. Any Java class must have a main method, which is the first method that is called when the Java class is invoked.True or False An interface can be used to define a set of methods that a class must implement.In java language please explain these three class design guidelines at least one page per guideline you code use some examples to explain. Encapsulation: Instance vs Static: Inheritance vs Aggregation:
- True or False ___(25) Java’s constructor name is exactly the same as the class name. ___(26) Java allows multiple constructors to be defined within a class. ___(27) is-a relationship is similar to has-a relationship in Java.Define the following terms with the help of examples: Encapsulation Constructor.Describe a signature of a constructor or method, and explain what overloading means
- True or False ___(1) An abstract class can have fields. ___(2) You can create an object from an abstract class _ _(3) An abstract class can have both abstract methods and methods that have method bodyLibrary Information System Design and Testing Library Item Class Design and TestingDesign a class that holds the Library Item Information, with item name, author, publisher. Write appropriate accessor and mutator methods. Also, write a tester program(Console and GUI Program) that creates three instances/objects of the Library Items class. Extending Library Item Class Library and Book Classes: Extend the Library Item class in (1) with a Book class with data attributes for a book’s title, author, publisher and an additional attributes as number of pages, and a Boolean data attribute indicating whether there is both hard copy as well as eBook version of the book. Demonstrate Book Class in a Tester Program (Console and GUI Program) with an object of Book class.True or False ___(22) Java’s constructor does not return any data, hence the return type is void. ___(23) A class can be a superclass and a subclass in a class hierarchy in Java. ___(24) The expression super() is used to call the default constructor in the superclass.
- Artwork label (classes/constructors) PYTHON ONLY Define the Artist class with a constructor to initialize an artist's information and a print_info() method. The constructor should by default initialize the artist's name to "None" and the years of birth and death to 0. print_info() should display Artist Name, born XXXX if the year of death is -1 or Artist Name (XXXX-YYYY) otherwise. Define the Artwork class with a constructor to initialize an artwork's information and a print_info() method. The constructor should by default initialize the title to "None", the year created to 0, and the artist to use the Artist default constructor parameter values. Ex: If the input is: Pablo Picasso18811973Three Musicians1921 the output is: Artist: Pablo Picasso (1881-1973)Title: Three Musicians, 1921 If the input is: Brice Marden1938-1Distant Muses 2000 the output is: Artist: Brice Marden, born 1938Title: Distant Muses, 2000OBJECT ORIENTED PROGRAMING: Differentiate between static binding and dynamic binding using two examples of each?Object Oriented Programming in JAVA You are part of a team writing classes for the different game objects in a video game. You need to write classes for the two human objects warrior and politician. A warrior has the attributes name (of type String) and speed (of type int). Speed is a measure of how fast the warrior can run and fight. A politician has the attributes name (of type String) and diplomacy (of type int). Diplomacy is the ability to outwit an adversary without using force. From this description identify a superclass as well as two subclasses. Each of these three classes need to have a default constructor, a constructor with parameters for all the instance variables in that class (as well as any instance variables inherited from a superclass) accessor (get) and mutator (set) methods for all instance variables and a toString method. The toString method needs to return a string representation of the object. Also write a main method for each class in which that class is…