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

2 votes256 views1 answer
Javafx get screen size
Java
0 vote276 views1 answer
Printing cube root of a number in java
Java
0 vote251 views1 answer
Java.lang.noclassdeffounderror: failed resolution of: lorg/apache/http/protocolversion;
Java
0 vote252 views1 answer
Android java shared preferences remove key
Java
22 votes257 views6 answers
Height of Binary tree
Java
0 vote290 views1 answer
Send message bukkit
Java
3 votes286 views2 answers
Random boolean java
Java
1 vote275 views2 answers
Why use var in java
Java
0 vote279 views1 answer
How to acces every char of a String in java
Java
1 vote313 views1 answer
Find shortest string in array java
Java