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.

Similar codes

0 vote231 views1 answer
Java unused import statement
Java
4 votes235 views3 answers
Java math ceil
Java
0 vote253 views1 answer
Json to hashmap java stream
Java
5 votes268 views2 answers
Java print type of object
Java
6 votes250 views1 answer
Java int to binary string
Java
0 vote220 views2 answers
Https://github.com/nuxt/nuxt.js/issues/8315#:~:text=%3Chtml%20lang%3D%22ru%22%20data%2Dn%2Dhead%3D%22%257B%2522lang%2522%3A%257B%2522ssr%2522%3A%2522ru%2522%257D%257D%22%3E
Java
0 vote236 views1 answer
Base64 in java
Java
0 vote237 views1 answer
Keytool error: java.io.FileNotFoundException: c:\Users\USER_NAME\upload-keystore.jks (The system cannot find the path specified)
Java
6 votes230 views2 answers
Run java from terminal
Java
0 vote260 views1 answer
Javac clear
Java