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 vote239 views1 answer
Echo java
Java
10 votes203 views4 answers
Start new activity android
Java
0 vote265 views1 answer
Entity cannot be resolved to a type in spring boot eclipse
Java
0 vote190 views1 answer
How to find size of obj in java 8
Java
32 votes205 views6 answers
Loops in java
Java
0 vote203 views1 answer
Java program to print 1 to 100 using for loop
Java
0 vote232 views1 answer
How to set to nothing a ComboBox in java
Java
0 vote231 views1 answer
Set java time complexity
Java
2 votes195 views1 answer
Boxing and unboxing in java
Java
0 vote280 views1 answer
Java url
Java