1.Brief Explanation about java. 2.why java is used more in web development? What is the advantage of that? 3.About collection framework in java 4.Threading and multi threading in java 5. How JVM works while execution of two or more java programs. 6.What is DBMS and RDBMS? 7. Writte query to fetch top 100 rows from oracle DB? 8. difference between truncate and drop and delete in Oracle DB 10. query related to join 11. about servlet and JSP basics 12. What is hash map and how data stored in Hash map and managed in java
