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Which class of controlled products is subdivided into three subclasses?
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What modifier do you use to prevent that class from having any subclasses?
In Java, you use the final modifier to prevent a class from having any subclasses.
Can you access a protected member from a Sub class outside the package of its Base class?
Protected members of a class are only accessible to its subclasses and to friends of the class or its subclasses. However, if a subclass changes the access to private, only the subclass and its friends have access but this does not affect the access rights of its ancestors or their friends.
What is topleval class in java?
The top level class in Java is "Object." All other classes are subclasses of Object by default.
What is a super class in terms of object oriented programming?
A superclass, also referred to as a parent class, is a class what which other classes are derived from. These derived classes are known as either subclasses or child classes.
What is transitive nature of inheritance?
Inheritance is transitive, i.e., if a class B inherits properties of another class A, then all subclasses of B will automatically inherit the properties of class A.
What modifier do you use to prevent that class from having any subclasses?
In Java, you use the final modifier to prevent a class from having any subclasses.
What is the class hierarchy in dbms?
In a relational database management system (RDBMS), the class hierarchy typically includes the following levels: database server, databases, tables (or relations), columns (or attributes), and rows (or tuples). The database server manages connections, access control, and query processing. Databases contain tables, which store data arranged in rows and columns. Columns define the attributes, while rows represent individual records.
What are the classes of annelids?
Annelids are classified into three main classes: Polychaeta, Oligochaeta, and Hirudinea. Polychaetes are primarily marine worms with bristles, Oligochaetes include earthworms and freshwater worms, and Hirudineans are known as leeches.
Can you access a protected member from a Sub class outside the package of its Base class?
Protected members of a class are only accessible to its subclasses and to friends of the class or its subclasses. However, if a subclass changes the access to private, only the subclass and its friends have access but this does not affect the access rights of its ancestors or their friends.
What is topleval class in java?
The top level class in Java is "Object." All other classes are subclasses of Object by default.
What is a super class in terms of object oriented programming?
A superclass, also referred to as a parent class, is a class what which other classes are derived from. These derived classes are known as either subclasses or child classes.
What is transitive nature of inheritance?
Inheritance is transitive, i.e., if a class B inherits properties of another class A, then all subclasses of B will automatically inherit the properties of class A.
Each class is subdivided into one or more?
I believe it's genus!
What is the scientific name for mussels?
Mussels as a group comprise many different species in the class Bivalvia; they are mainly found in the three subclasses Pteriomorphia, Paleoheterodonta and Heterodonta. Kingdom: Animalia Phylum: Mollusca Class: Bivalvia Subclasses | Pteriomorpha (marine mussels) Palaeoheterodonta (freshwater mussels) Heterodonta (zebra mussels)
Why is chondrichtyes in class?
Chondrichthyes are divided into two subclasses, these are elasmobranchii, and holocephali. These are both marine species and have skeletons made out of cartilage.Ê
Is Hazard Class 1 subdivided based upon compatibility and intended use?
False
Subclasses of an abstract class that do not provide an implementation of an abtract method are also abstract?
Yes. Any class that does not provide implementation to all its methods as well as its parent class methods needs to be Abstract. The Java compiler would not successfully compile a class that does not do this.
