I know getClass() method in java.lang.Object. But In my application, I know all of my classes. So, What is the actual purpose of using this method?
I know getClass() method in java.lang.Object . But In my application, I know all
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I know getClass() method in java.lang.Object. But In my application, I know all of my classes. So, What is the actual purpose of using this method?
You’re wading into the wonderful world of Reflection. Using reflection, you can programmatically inspect classes, set their fields, call their methods, etc. You can do some really powerful stuff with it, and most frameworks that you use on a daily basis (e.g. Hibernate, Spring, Guice, etc.) depend very heavily on it to make things happen.