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

2 votes121 views1 answer
Jpql spring boot
Java
0 vote104 views1 answer
Child inside NestedScrollView not cover full height of screen
Java
4 votes97 views2 answers
Number of lines in file java
Java
0 vote116 views2 answers
Java lambda expressions qunado foi implantada
Java
0 vote117 views1 answer
Save documents on Android 11 site:stackoverflow.com
Java
1 vote101 views1 answer
Java bufferedimage get int array
Java
2 votes131 views2 answers
Android studio print console
Java
0 vote104 views1 answer
Call method of another class without creating instance in java android
Java
0 vote127 views1 answer
Java iterate map and remove
Java
31 votes107 views5 answers
Java how to get current time
Java