Static - Day 4

Question 1

Static variable

Answer 1

Static variable belongs to an entire class not a specific object

Question 2

What is happening with static variables?

Answer 2

Variable is created and shared among all objects at the class level.

Question 3

Member variable

Answer 3

Variables consisting to the class so instance and static variables

Question 4

Set up

Answer 4

private static datype varname;

Question 5

Static methods

Answer 5

Can only access static variables.

Can be engoles without creating an instance of a class, setter and getter methods:

Public static float getDeliverycharge() {
Return deliveryCharge;
}

Public static void setDeliveryCharge(float deliveryCharge) {
Customer.deliveryCharge = deliveryCharge;
}

Question 6

Statics work only with statics

Answer 6

Can’t call instance members directly!!