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Prog2 (Vererbungsbeziehungen (DRY } Don’t Repeat Yourself!, Object,…

- - - - getter(), setter()
    - - Standard
      - Voll qualifiziert
  - - - Sichtbarkeit Klassen, Methoden, Attribute
        public, private, protected
      - statische Variablen und Methoden (static)
        (auch Klassenvariablen, Klassenmethoden)
- - - - gerichtet/ungerichtet
        Multiplizitäten
        Sichtbarkeit
- - - - Array
      - Klasse
        
        String
      - Interfaces
      - Collections(Liste)
      - null-Referenz
      - ArrayList
    - - byte(8b)
      - short(16b)
      - int(32b)
      - long(64b)
      - char(16b)
      - boolean(t/f)
      - float(32b)
      - double(64b)
  - - - Inkrement- Dekrement-Operatoren (Pre, Post)
        ++, --
      - +, -, *, /, %
      - +=, -=, *=, /=, %=
    - - a || b (lazy)
        a | b
        a && b (lazy)
        a & b
        !a
    - - a < b,
        a <= b,
        a == b,
        a != b,
        a >= b,
        a > b
    - - a & b (AND)
        a | b (OR)
        a ^ b (XOR)
        ~a (NOT)
      - a >> n (Re-Shift)
        a << n (Li-Shift)
        a >>> n (Re-Shift VZ-Los)
- - - - while
      - for
    - - do while
- - - - BufferedReader
        InputStreamReader
    - - BufferedReader
        FileReader
  - - - BufferedWriter
        FileWriter