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class method

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Mahesh barole answered on May 21, 2022 Popularity 10/10 Helpfulness 1/10

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# A Python program to demonstrate working of class
# methods
  
class Vector2D:
        x = 0.0
        y = 0.0
  
        # Creating a method named Set
        def Set(self, x, y):     
                self.x = x
                self.y = y
  
def Main():
        # vec is an object of class Vector2D
        vec = Vector2D()   
         
        # Passing values to the function Set
        # by using dot(.) operator.
        vec.Set(5, 6)       
        print("X: " + str(vec.x) + ", Y: " + str(vec.y))
  
if __name__=='__main__':
        Main()

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Source: www.geeksforgeeks.org

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Contributed on May 21 2022

Mahesh barole

0 Answers Avg Quality 2/10

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Class method

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JavaScript Class Method
How to define and use a Class method.

<body>

<p id="demo"></p>

<script>
class Car {
  constructor(name, year) {
    this.name = name;
    this.year = year;

  }
  age() {
    let date = new Date();
    return date.getFullYear() - this.year;
  }
}

let myCar = new Car("Ford", 2014);
document.getElementById("demo").innerHTML =
"My car is " + myCar.age() + " years old.";
</script>

</body>

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Tags: class-method class-meth

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Contributed on Feb 27 2023

Umesh Jadhav

0 Answers Avg Quality 2/10

class method

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"""Class Method 
"""class method are bound to class rather than an instance"""
"""class method takes cls as first argument"""
"""Thoughclassmethod arenot boundto any instance,they canbe invoked by  instance of class"""
""" This is because it enable themto access and modify class attributes if needed"""

class Circle:
  pi = 3.14

  def __init__(self, radius):
      self.radius = radius

 """Instance method for area calculation (recommended for direct calculations)"""
  def calculate_area(self):
      return self.pi * self.radius**2

  """Class method for area calculation (alternative approach)"""
  @classmethod
  def calculate_area_from_radius(cls, radius):
      return cls.pi * radius**2

""" Using the instance method:"""
circle1 = Circle(7)
area = circle1.calculate_area()
print(area)  * Output: 153.86

"""Using the class method (less common for direct calculations):"""
area = Circle.calculate_area_from_radius(7)
print(area)  * Output: 153.86

Popularity 3/10 Helpfulness 1/10 Language python

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Contributed on Jan 26 2024

Karan Sapkota

0 Answers Avg Quality 2/10

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