A class named Triangle has to be designed that extends the class GeometricObject.
The Triangle class can be designed as follows:
class Triangle extends GeometricObject {
// Variables that define the triangle's characteristics
double side1, side2, side3;
// Constructors
public Triangle(double side1, double side2, double side3) {
this.side1 = side1;
this.side2 = side2;
this.side3 = side3;
}
// Getters and Setters
public double getSide1() {
return side1;
}
public double getSide2() {
return side2;
}
public double getSide3() {
return side3;
}
public void setSide1(double side1) {
this.side1 = side1;
}
public void setSide2(double side2) {
this.side2 = side2;
}
public void setSide3(double side3) {
this.side3 = side3;
}
// Methods to calculate the perimeter and area of a triangle
public double getPerimeter() {
return side1 + side2 + side3;
}
public double getArea() {
double s = (side1 + side2 + side3) / 2;
return Math.sqrt(s * (s - side1) * (s - side2) * (s - side3));
}
}
Following attributes need to be present in the class Triangle: An instance variable named side1. Its visibility should be private. An instance variable named side2. Its visibility should be private. An instance variable named side3. Its visibility should be private. A constructor with side1, side2, and side3 as parameters. A method named get Area() that returns the area of the triangle. A method named get Perimeter() that returns the perimeter of the triangle. A method named __str__() that returns the string representation of the triangle.
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Which of the following statements will assign the address of the variable int myInt to the pointer int* myPtr?
a.int* myPtr = *myInt;
b.int* myPtr = myInt;
c.int* myPtr = &myInt;
d.int& myPtr = &myInt
Option C: int* myPtr = &myInt; is the following statement used to assign the address of the variable int myInt to the pointer int* myPtr.
What are pointers and addresses?In C++, pointers are variables that store the memory address of another variable. A pointer is essentially an address. It points to a memory address, indicating where a variable is stored in memory. A pointer should be declared as the data type of the variable it points to, followed by an asterisk.
For example, if a pointer points to an int, it should be declared as int*. A memory address is a unique identifier for a specific memory location. It is a reference point for a particular byte of memory. Each byte in memory has a distinct memory address.
To assign the address of a variable to a pointer, use the address-of operator & followed by the variable name. For example, to assign the address of the variable int myInt to the pointer int* myPtr, use the following statement: int* myPtr = &myInt.
Therefore, option C, int* myPtr = &myInt, is the correct answer.
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you are currently learning about networking devices and have just learned about mac addresses. you look up your device's mac address, and it comes back as 00-b0-d0-06-bc-ac. which portion of this mac address can tell you who the manufacturer is?
In a MAC (Media Access Control) address, the first 3 octets (6 hexadecimal digits) represent the Organizationally Unique Identifier (OUI), which can be used to identify the manufacturer or vendor of the network device.
In the given MAC address 00-b0-d0-06-bc-ac, the OUI is "00-b0-d0", which is assigned to Intel Corporation. This means that the network device was manufactured by Intel, or at least its network interface was produced by Intel. The remaining 3 octets in the MAC address (06-bc-ac) represent the device's unique identifier within that manufacturer's product line.
An exclusive identification code given to a network interface controller to be used as a network address in communications inside a network segment is called a media access control address. Ethernet, Wi-Fi, and Bluetooth are just a few of the IEEE 802 networking technologies that frequently employ this application.
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if the stack has room enough for 4 elements, can the program possibly handle an expression of 10 characters?
In this scenario, the stack has a maximum capacity of 4 elements, which means that it can only hold 4 values at any given time.
However, an expression with 10 characters would require more than 4 elements to be evaluated, which means that the stack would not be able to handle the expression.
In programming, a stack is a data structure that allows for the storage and retrieval of data in a specific order. A stack typically has a fixed size or maximum capacity, and it can only hold a certain number of elements at a time.
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what solution puts the stolen vehicles database in 3nf by breaking up this one big table into several tables?
To convert the stolen vehicles database into 3NF (Third Normal Form), the big table should be broken down into several smaller tables that contain the necessary information.
The process involves the following steps:
1. Identify the columns that contain the same data in multiple records, and create a new table for each of these columns.
2. Make sure that each table contains a primary key that uniquely identifies a record, as well as other attributes which together form a composite key.
3. Define relationships between tables, either one-to-one or one-to-many.
4. Make sure that each table contains only the information that is necessary for it, and that all other data is moved to other tables.
5. Check for anomalies such as insertion, update, and deletion, and take care of them by creating more tables or modifying the existing ones.
By following these steps, the big table can be broken down into several smaller tables and the stolen vehicles database can be converted into 3NF.
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Even when a good database blueprint is available, an applications programmer's view of the data should match that of the manager and the end user.a. Trueb. False
The statement "Even when a good database blueprint is available, an applications programmer's view of the data should match that of the manager and the end user" is True.
A database is a structured set of data kept in a computer that is arranged so that it can be quickly retrieved, updated, and managed. A database's key feature is that it organizes data into tables that are related in some way. Information in a database is organized so that it is simple to access, control, and update.
The relational database is the most prevalent type of database. A data model is a graphical or symbolic description of data structures and connections used to define data architecture, manipulate data, or enforce data integrity rules. A data model's aim is to standardize the design of data in such a way that communication between different people and applications is seamless. A database blueprint is a model of a database that is used to plan and design a database structure. Then, the data model is designed to meet those requirements.
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