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Java

Posted by Chris Evans
Chris Evans
93 Points

Casting

What is upcasting and downcasting in java??

1 Answer

leefaragher
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.a{fill-rule:evenodd;}techdegree
leefaragher
Python Development Techdegree Student 18,868 Points
leefaragher
.a{fill-rule:evenodd;}techdegree
leefaragher
Python Development Techdegree Student 18,868 Points

You can upcast to a superclass or downcast to a subclass, upcasting is done automatically when you inherit methods of a superclass, down casting is when you use methods of a subclass in your superclass

leefaragher
.a{fill-rule:evenodd;}techdegree
leefaragher
Python Development Techdegree Student 18,868 Points

Also check out stackoverflow for some examples to help get your head around it: https://stackoverflow.com/questions/23414090/what-is-the-difference-between-up-casting-and-down-casting-with-respect-to-class