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Introduction to ArrayList

AP Computer Science A· difficulty 3/5

<code>ArrayList<int></code> is

  • A

    Compile error (can only use reference types)

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  • B

    Valid (will autobox)

  • C

    Slow but works

  • D

    Compiles only with --enable-experimental

Explanation

Generic type parameters must be reference types; use Integer, Double, etc.

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