Update README.md

Author: madhuribisht

README.md

@@ -3,9 +3,9 @@ Core Java Interview Question
 
 
 
-# Basic Core Java Questions & Answers
+## Basic Core Java Questions & Answers
 
-# 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.