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Generics

English​

  1. What are the different ways to use generics?
  2. What is the mechanism of type erasure in generics, and why is it used?
  3. What is a bridge method?
  4. What are the limitations of generics, and why do they exist?
  5. What are bounded and unbounded wildcards in generics?

Chinese​

  1. 泛型的使用方式有哪幾種？
  2. 什麼是泛型擦除機制？為什麼要進行擦除？
  3. 什麼是橋方法？
  4. 泛型有哪些限制？為什麼會有這些限制？
  5. 什麼是泛型中的限定通配符和非限定通配符？