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Core java fundamnetals - Coggle Diagram

- - - - +, conacat()
      - Number and string
    - - \",\',\
- - - - accessing .
      - modifying
        
        final modifier
  - - - multiple attributes
    - - call a method
      - static method
        
        without object
      - public method
        
        only by objects
      - constructor
        
        default constructor
        
        parametrized constructor
      - method overloading
      - recursion
      - using object as parameter/argument
      - this keyword
  - - - class
      - sub class
      - super class
      - resusability
    - - public
      - protected
      - default
      - private
    - - single
      - multilevel
      - heirarchial