Upcasting and downcasting in java

Upcasting in java

Upcasting is a type of object typecasting in which a child object is typecasted to a parent class object. By using the Upcasting, we can easily access the variables and methods of the parent class to the child class. Here, we don't access all the variables and the method. We access only some specified variables and methods of the child class. Upcasting is also known as Generalization and Widening.

Upcasting and downcasting in java

A process of converting one data type to another is known as Typecasting and Upcasting and Downcasting is the type of object typecasting. In Java, the object can also be typecasted like the datatypes. Parent and Child objects are two types of objects. So, there are two types of typecasting possible for an object, i.e., Parent to Child and Child to Parent or can say Upcasting and Downcasting.

Downcasting in java

Downcasting is casting to a subtype, 
going down in the inheritance tree.
It is done to access sub class features.
It has to be done manually

(TakeScreenShot)driver).takeScreenShot();

Similar codes

0 vote166 views1 answer
Change string into binary uding java
Java
0 vote155 views1 answer
Generate infinity steam java
Java
-2 votes159 views1 answer
App.js:2119 Uncaught TypeError: Vue.component is not a function
Java
0 vote146 views1 answer
Webview XMLHttpRequest() local file android studio
Java
0 vote156 views1 answer
Java suppress warnings rawtypes
Java
4 votes193 views3 answers
How to create 2d arrazlist in java
Java
0 vote163 views1 answer
Java stream inner join two lists
Java
0 vote173 views1 answer
Create JDBC connection using properties file
Java
0 vote172 views3 answers
Simple Write a simple Java program that prints a staircase or a figure as show
Java
0 vote164 views1 answer
How to create a node in Java
Java