• Variables/Constants
  • If-else
  • switch
  • Loops
    • For
    • while
    • do-white
    • enhanced for
  • Operators
    • Unary
    • Binary
    • Logical
    • Relational
    • Bitwise
    • Ternary Operator
  • Arrays
  • Classes & Objects
  • OOPs concepts
    • Abstraction Encapsulation
    • Inheritance
    • Polymorphism
  • Constructor
  • Methods
  • Overloading & Overriding
  • Pass by value & Pass by reference
  • Exception Handling
  • Multi Threading
  • Functional Interfaces
  • Lambdas
  • Future
  • Data Structures
    • Hashmap
    • Hashset
    • Treemap
    • Treeset
    • Array List
    • Stack
    • Queue
  • Regex
  • Generics
  • String
  • Read Write
  • Streams question on map and filter
  • Streams (Filestream concept)
  • streamsFilter
  • Slice
  • Truncate
  • Skipping elements
  • Mapping
  • flattening streams
  • flaMap()
  • finding and matching
  • finding firt element
  • Reducing
  • Summing elemnts
  • Maximum and minimum
  • Collectors
  • Grouping
  • Futures