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Ivanshal [37]
3 years ago
7

Analyze the following code: class Test { public static void main(String[] args) { System.out.println(xMethod((double)5)); } publ

ic static int xMethod(int n) { System.out.println("int"); return n; } public static long xMethod(long n) { System.out.println("long"); return n; } }
Computers and Technology
1 answer:
SashulF [63]3 years ago
3 0

Answer:

This code will give Error.

Explanation:

This code will give error because we have passed the argument 5 as double by using typecasting.We have two methods named xMethod but with arguments as int and long none of them has argument as double.The compiler will not be able to find the method with double argument.So this code will not run because of this reason.

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Write a statement to add the key Tesla with value USA to car_makers. Modify the car maker of Fiat to Italy. Sample output for th
shutvik [7]

Answer:

car_makers = {'Acura':'Japan','Fiat':'Egypt'}

car_makers['Tesla'] = "USA"

car_makers['Fiat'] = "Italy"

print("Acura made in",car_makers['Acura'])

print("Fiat made in",car_makers['Fiat'])

print("Tesla made in",car_makers['Tesla'])

Explanation:

The first line is a define object in the python code, containing two entries of Acura and Fiat and their respective countries.

The python code adds an entry to the object "car maker" using the bracket notation, the tesla car from USA.

The country of the Fiat car is changed from Germany to Italy, using the bracket notation.

The output of the complete object and the individual cars is given.

output of the python code:

{'Acura': 'Japan', 'Fiat': 'Italy', 'Tesla': 'USA'}

Acura made in Japan

Fiat made in Italy

Tesla made in USA.

4 0
3 years ago
How many times does the following loop execute?int upperCaseLetters = 0;String str = "abcdEfghI";boolean found = false;for (int
damaskus [11]

Answer:

Five times

Explanation:

Given the codes as follows:

  1.        int upperCaseLetters = 0;
  2.        String str = "abcdEfghI";
  3.        boolean found = false;
  4.        for (int i = 0; i < str.length() && !found; i++)
  5.        {
  6.            char ch = str.charAt(i);
  7.            if (Character.isUpperCase(ch))
  8.            {
  9.                found = true;
  10.            }
  11.        }

The for loop will stop when the first uppercase letter is found in the str. This condition is set in the for loop condition ( i < str.length() && !found)

Since the the first upper case letter is the fifth character in the given str, the for loop will run for five rounds. In the fifth round the condition in the if statement (Line 9) will be evaluated to true and then set the true value to found variable (Line 11). This will terminate the loop in the next iteration.

7 0
3 years ago
Assume we perform a known-plaintext attack against DES with one pair of plaintext and ciphertext. How many keys do we have to te
nasty-shy [4]

Answer:

2^{55} keys in a worst case scenario

Explanation:

So, Average will be : 2^{56} /2

2^{55}(Answer)

5 0
3 years ago
Develop a Python application that incorporates using appropriate data types and provides program output in a logical manner. You
Rasek [7]

Answer:

#program in Python.

# create a dictionary

car_dic = dict()

# read brand of car

car_dic['brand'] = input("Enter brand : ")

#read model of cal

car_dic['model'] = input("Enter model : ")

#read manufactured year

car_dic['year'] = int(input("Enter manufactured year : "))

#starting odometer

car_dic['start_odometer'] = int(input("Enter the starting odometer reading: "))

#ending odometer

car_dic['end_odometer'] = int(input("Enter the ending odometer reading: "))

#mileage of the car

car_dic['mileage'] = float(input("Enter miles per gallon consumed by the vehicle: "))

#Details of the car

print("Details of the car: ")

for i in car_dic:

   print(i, ": ",car_dic[i])

Explanation:

Create a dictionary "car_dic" to store the Details of the car.Then ask user to enter the details of car such as brand, model, year, start_odometer, end_odometer and mileage.Then print all the details of the car.

Output:

Enter brand : Audi

Enter model : A6

Enter manufactured year : 2019

Enter the starting odometer reading: 100

Enter the ending odometer reading: 200

Enter miles per gallon consumed by the vehicle: 12

Details of the car:

mileage :  12.0

end_odometer :  200

year :  2019

model :  A6

start_odometer :  100

brand :  Audi

4 0
3 years ago
HELP 100 points
natima [27]

Answer:

i do not know what to do there.

Explanation:

there's no pictures

5 0
2 years ago
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