- Wrapper Classes in Java
- Basics of IP address
- Overloading and Overriding in Java
- OSI Model
- Union and Union All in PL/SQL
- How to add, modify, drop and rename columns in PL/SQL
- Network Basics
- Basic of Thread
- Constructor
- Recursion and Iteration
- Static keyword
- Insertion Sort
- HashMap vs. Hashtable
- Set and its implementations in Java
- Comparable and Comparator Interfaces in Java