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01 - pengenalan oop
02 - constructor function
03 - constructor propety
04 - constructor method
05 - constructor parameter
06 - cunstructor inheritance
07 - prototype
08 - protoype inheritance
09 - class
10 - class method
11 - class inheritance
12 - super constructor
13 - super method
14 - getter setter class
15 - public class field
16 - privat class field
17 - privat method
18 - operator instanceof
19 - static class field
20 - static method
21 - error
22 - error handling
23 - try, catch, finally
24 - class error
25 - iterable dan iterator