Java 基本API

Object java.lang.Object

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ArrayList java.util.ArrayList

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public Object clone(){

try{

ArrayList<E> v = (ArrayList <E>) supper.clone();

//?E

//super.clone()

v.elementData = (E[]) new Object[Size];

System.arraycopy(elementData, 0, v.elementData, 0, size);

// new ?

v.modCount = 0;

return v;

} catch (CloneNotSupportedException e){

throw new InternalError();

}

}

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native

transient