Answer:
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Explanation:
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Answer:
•The user can edit the chart directly.
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Explanation:
Answer:
Explanation:
An interface is similar to a class, to create an interface we use interface keyword, in an interface there can be abstract methods and constants only,we can not instantiate an interface.All the variables declared inside an interface are public,static and final by default.
While using interface child class must use implements keyword
We can define an interface by using below syntax-
<interface> <interface-name>{
}
For example lets create Shpae interface
interface Shape{
public int area(int length, int width);
public int perimeter(int length, int width);
}
Now lets create Rectangle class-
class Rectangle implements Shape{
public int area(int length, int width){
int area = 0;
area = length * width;
return area;
}
public int perimeter(int length, int width);
int perimeter = 0;
perimeter = 2*(length+width);
return perimeter ;
}
The python program that creates a Bankaccount class for a Bank ATM that is made up of the customers and has a deposit and withdrawal function is given below:
<h3>Python Code</h3>
# Python program to create Bankaccount class
# with both a deposit() and a withdraw() function
class Bank_Account:
def __init__(self):
self.balance=0
print("Hello!!! Welcome to the Deposit & Withdrawal Machine")
def deposit(self):
amount=float(input("Enter amount to be Deposited: "))
self.balance += amount
print("\n Amount Deposited:",amount)
def withdraw(self):
amount = float(input("Enter amount to be Withdrawn: "))
if self.balance>=amount:
self.balance-=amount
print("\n You Withdrew:", amount)
else:
print("\n Insufficient balance ")
def display(self):
print("\n Net Available Balance=",self.balance)
# Driver code
# creating an object of class
s = Bank_Account()
# Calling functions with that class object
deposit()
s.withdraw()
s.display()
Read more about python programming here:
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