What is unique about a singleton? Select all that apply.

Question

Options

• AIt must be instantiated using a private instance constructor
• BIt must be instantiated using a protected instance constructor
• CIt must be instantiated using a static protected constructor
• DIt must be defined as FINAL
• EIt must be instantiated using a public instance constructor
• FIt cannot be defined as FINAL.
• GIt must be instantiated using a static private constructor
• HIt must be instantiated using a static public constructor

• C
  10% (5)
• D
  80% (41)
• E
  2% (1)
• F
  4% (2)
• H
  4% (2)

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