Update README.md

Author: madhuribisht

README.md

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 Core Java Interview Question
 
 
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-## Basic Core Java Questions & Answers
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-### Q1 What is JAVA? 
+#### Q1 What is JAVA? 
   Java is a high-level programming language and is platform-independent.
   Java is a collection of objects. It was developed by Sun Microsystems. There are a lot of applications, websites, and games that are developed using Java.