Inheritance diagram: The properties of one class can be used by another class using inheritance. A class, which inherits the properties from another class, is called subclass. A super class is the one in which the properties can be inherited by subclass. The inheritance diagram can be drawn from super class to sub class. In inheritance diagram, the super or parent class is appeared previous to the sub class and sub class is appeared next to the parent class. If the properties of the class do not contain access specifier, then “public” access specifier is used as the default access specifier. Representation of inheritance diagram: The class in inheritance diagram can be represented using rectangle symbol. The rectangle box is splitted into three divisions. The first part represents the name of the class, the second part represents the field names and the third part represents the methods. The arrow mark represents the hierarchy from parent class to child class. The symbols used to represent the access specifiers are as follows. Public (“+”) Private (“-”) Protected (“#”)

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What are the major threats of using the internet? How do you use it? How do children use it? How canwe secure it? Provide four references with your answer. Two of the refernces can be from an article and the other two from websites.

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Chapter 2, Problem 6R

Program Plan Intro

Inheritance diagram:

The properties of one class can be used by another class using inheritance.

A class, which inherits the properties from another class, is called subclass.

A super class is the one in which the properties can be inherited by subclass.

The inheritance diagram can be drawn from super class to sub class.

In inheritance diagram, the super or parent class is appeared previous to the sub class and sub class is appeared next to the parent class.

If the properties of the class do not contain access specifier, then “public” access specifier is used as the default access specifier.

Representation of inheritance diagram:

The class in inheritance diagram can be represented using rectangle symbol.

The rectangle box is splitted into three divisions.

The first part represents the name of the class, the second part represents the field names and the third part represents the methods.

The arrow mark represents the hierarchy from parent class to child class.

The symbols used to represent the access specifiers are as follows.

Public (“+”)

Private (“-”)

Protected (“#”)

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