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snow_lady [41]
3 years ago
10

A class car and its subclass bmw each have a method run(), which was written by the developer as part of the class definition. i

f carobj refers to an object of type bmw, what will carobj.run(); do? the run() method defined in bmw will be called. the compiler will complain that run() has been defined twice. the run() method defined in car will be called.
Computers and Technology
1 answer:
krok68 [10]3 years ago
5 0

The answer is : the run() method defined in BMW will be called.

run() BMW

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In this assignment we are going to practice reading from a file and writing the results of your program into a file. We are goin
zhenek [66]

Answer:

In Python:

import os.path

from os import path

fname = input("Filename: ")

if path.exists(fname):

with open(fname) as file_in:

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 for line in file_in:

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f.truncate(0)

f = open("stat.txt", "a")

f.write("Names\tTotal\tSubjects\tAverage\n")

for i in range(len(lines)):

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Explanation:

See attachment for explanation where comments were used to explain each line

Download txt
6 0
3 years ago
Write a program that prompt the user to enter the coordinate of two points (x1, y1) and (x2,y2), and displays the slope of the l
zzz [600]

Answer:

Here is code in C++.

//include headers

#include <bits/stdc++.h>

using namespace std;

//main function

int main() {

//variables to store coordinates

float x1,x2,y1,y2;

cout<<"Please Enter the coordinate of first point (x1,y1): ";

// reading coordinate of first point

cin>>x1>>y1;

cout<<"Please Enter the coordinate of second point (x2,y2): ";

// reading coordinate of second point

cin>>x2>>y2;

//calculating Slope of the line that connects these points

float m=(x2-x1)/(y2-y1);

cout<<"Slope of the line that connects these two points is :  "<<m<<endl;

}

Explanation:

Declare four variables x1,x2,y1,y2 to store the coordinate of both points.

Read the coordinate of both the point from user. Calculate the slop of the

line which connects these two points with the formula m=(x2-x1)/(y2-y1).

Output:

Please Enter the coordinate of first point (x1,y1): 1 3                                                                                                        

Please Enter the coordinate of second point (x2,y2): 5 12                                                                                                      

Slope of the line that connects these two points is :  0.444444  

3 0
3 years ago
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