Computer Applications
Answer
| Static Variable | Instance Variable |
|---|---|
| Static Variables are declared using keyword 'static'. | Instance Variables are declared without using keyword 'static'. |
| All objects of a class share the same copy of static variables. | Each object of the class gets its own copy of instance variables. |
| Static Variables can be accessed using the class name or object. | Instance Variables can be accessed only through an object of the class. |
Related Questions
The correct statement to create an object named mango of class fruit:
- Fruit Mango= new fruit();
- fruit mango = new fruit();
- Mango fruit=new Mango();
- fruit mango= new mango();
DTDC a courier company charges for the courier based on the weight of the parcel. Define a class with the following specifications:
Class name: courier
Member variables:
name – name of the customer
weight – weight of the parcel in kilograms
address – address of the recipient
bill – amount to be paid
type – 'D'- domestic, 'I'- international
Member methods:
void accept ( ) — to accept the details using the methods of the Scanner class only.
void calculate ( ) — to calculate the bill as per the following criteria:
Weight in Kgs Rate per Kg First 5 Kgs Rs.800 Next 5 Kgs Rs.700 Above 10 Kgs Rs.500 An additional amount of Rs.1500 is charged if the type of the courier is I (International)
void print ( ) — To print the details
void main ( ) — to create an object of the class and invoke the methods