Which of the questions can you answer with confidence?

     

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    Which of the questions can you answer with confidence?

    • 18.9% How is the abbreviation SOLID deciphered? 74
    • 76.9% How to implement the singleton pattern? 301
    • 47.5% How to implement a wrapper pattern? 186
    • 62.9% Why do we need a virtual destructor in C ++? 246
    • 79.2% How is an abstract class different from an interface? 310
    • 38.1% What is the general / partial relation in the source code? 149
    • 36.5% What is the part / whole relation in the source code? 143
    • 57.2% How is the implementation of the interface qualitatively different from inheritance from an abstract class? 224

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