This repository is to maintain important java concepts with clear examples. Here, I have covered below concepts,

1. Data Types
2. Strings
3. Inheritance
4. Constructor Chaining
5. Singleton Classes
6. Abstract Classes
7. Interfaces
8. Encapsulations
9. Arrays
10. Collections
    1. ArrayList
    2. LinkedSet
    3. HashSet
    4. LinkedHashSet
    5. Hashmap
    6. LinkedHashmap
    7. TreeMap
    8. enum
    9. EnumSet
    10. EnumMap
    11. Properties
    12. Collection Class
11. Recursive Functions