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ella [17]
2 years ago
12

1. Add the following method to the Point class:

Computers and Technology
1 answer:
Pachacha [2.7K]2 years ago
4 0

Answer:

Explanation:

The following code is written in Java and creates all of the methods that were requested in the question. There is no main method in any of these classes so they will have to be called from the main method and call one of the objects created method for the code to be tested. (I have tested it and it is working perfectly.)

class Point {

   private int x, y;

   public void Point(int x, int y) {

       this.x = x;

       this.y = y;

   }

   public double distance (Point other) {

      double distance = Math.sqrt(Math.pow((other.x - this.x), 2) + Math.pow((other.y - this.y), 2));

      return distance;

   }

   

   public int quadrant() {

       if (this.x > 0 && this.y > 0) {

           return 1;

       } else if (this.x < 0 && this.y > 0) {

           return 2;

       } else if (this.x < 0 && this.y < 0) {

           return 3;

       } else if (this.x > 0 && this.y < 0) {

           return 4;

       } else {

           return 0;

       }

   }

}

class Name {

   String firstName, lastName;

   char middleInitial;

   

   public String getNormalOrder() {

       String fullName = firstName + " " + middleInitial + " " + lastName;

       return fullName;

   }

   

   public String getReverseOrder() {

       String fullName = lastName + ", " + firstName + " " + middleInitial;

       return fullName;

   }

}

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Write a short program using Python that will:
Alexxx [7]

Answer:

// program in Python to check perfect number

#function to find number is perfect or not

def is_Perfect_Number(n):

   #total variable

   tot = 1

   i = 2

   #sum of all divisor of number

   while i*i<=n:

       if n%i==0:

           tot = tot + i + n/i

       if tot == n and n != 1:

           return 1

       i = i+1  

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#read until user enter a perfect number

while True:

   #read integer

   num = int(input("Input an integer: "))

   #call the function

   if(is_Perfect_Number(num)):

       print(num,"is perfect number")

       #if perfect number break

       break

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       #ask again

   print("try again.")

Explanation:

Read number from user and then call the function is_Perfect_Number() with  parameter "num".This will find the sum of all divisor of number.If sum is  equal to number then it will return 1 else return 0.If the number is not  perfect then it will again ask to enter a number until user enter a perfect  number.

Output:

Input an integer: 24

24 is not a perfect number                                                                                                

try again.                                                                                                                

Input an integer: 28                                                                                                      

28 is perfect number

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Answer:

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Explanation:

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