[筆記]Instance variable access-control modifiers
| | Attribute | |||
| Code placement | Public | Internal | Protected | Private |
| Code in class containing variable's definition | Access allowed | Access allowed | Access allowed | Access allowed |
| Code in descendant of class containing variable's definition | Access allowed | Access allowed | Access allowed | Access denied |
| Code in different class in same package as variable's definition | Access allowed | Access allowed | Access denied | Access denied |
| Code not in same package as variable's definition | Access allowed | Access denied | Access denied | Access denied |
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