Oracle
1Z0-809 · Question #211
1Z0-809 Question #211: Real Exam Question with Answer & Explanation
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Question
Which two are elements of a singleton class? (Choose two.)
Options
- Aa transient reference to point to the single instance
- Ba public method to instantiate the single instance
- Ca public static method to return a copy of the singleton reference
- Da private constructor to the class
- Ea public reference to point to the single instance
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