Basic Programs
   Understand Java's programs structure

   Logic Building
   Using Java control statements

   Iterative Algos
   Using Java looping statements

   Number Series
   Using loops or recursive methods

   Pattern Design
   Using nested-looping ( while / for )

   Class-Objects
   Object Oriented Codes

   String-Handling
   Using java.lang's String classes

   Inheritance
   Program to learn code re-usability

   Java Package
   Using package and import

   Abstract & Interface
   Program to learn prototyping

   Polymorphism
   Method overloading - Overriding

   Exception Handling
   Handling exceptions using try-catch

   Java Input Output
   Stream and Channel based IO

   File handling
   Perform Read-Write on Files

   Multi-Threading
   Implement concurrent execution

   Inner Classes
   Class inside a class

   Collection Framework
   List, Set, Map, Stack, LinkedList etc..