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 vote252 views1 answer
How to run javac Xlint
Java
0 vote137 views1 answer
First none duplicated char
Java
1 vote134 views1 answer
"java.lang.NoClassDefFoundError: org/yaml/snakeyaml/LoaderOptions"
Java
4 votes146 views3 answers
Two dimensional arraylist in java
Java
0 vote153 views1 answer
Multiplication table using while loop in java
Java
3 votes133 views2 answers
Java sout
Java
2 votes129 views1 answer
Testing if editText is empty java
Java
0 vote162 views1 answer
Why enable multidex android
Java
0 vote151 views1 answer
Before first in jdbc
Java
0 vote154 views1 answer
Int array to map java
Java