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Showing posts with label Core java logic building. Show all posts
Showing posts with label Core java logic building. Show all posts

wrapper classes in Java

Java wrapper classes 1. What's need of wrapper classes? ---1. to be able to add prim types to growable collection(growable data st...
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String class API Java

String class API Important String class constructors 1.String(byte[] bytes) --- byte[] ----> String converter 2.String(char[] cha...
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What does it mean for a subclass-outside-the-package to have access to a superclass (parent) protected member?

What does it mean for a subclass-outside-the-package to have access to a superclass (parent) protected member? It means the subclass inhe...
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BOOK OF THE DAY