Day 14 of flutter class

1)What is statelesswidget ?

A stateless widget in flutter is is defined as any widget which changes its state within its lifetime.

2)What is statefulWidget ?

A widget that has mutable state.

3) What is Buildtime and Runtime ?

Build time is the time at which the source code is converted into an executable code.

run time is the time at which the executable code is started running

3)What is the use of MediaQuerry ?

Establishes a subtree in which media queries resolve to the given data

4)What is SetsState?

Calling setState notifies the framework that the internal state of this object has changed in a way that might impact the user interface in this subtree