question: @ Override public Object clone ( ) { try { IdentityHashMap < K , V > cloneHashMap = ( IdentityHashMap < K , V > ) super . clone ( ) ; cloneHashMap . elementData = newElementArray ( elementData . length ) ; System . arraycopy ( elementData , 0 , cloneHashMap . elementData , 0 , elementData . length ) ; return cloneHashMap ; } catch ( CloneNotSupportedException e ) { throw new AssertionError ( e ) ; } }
target:  Returns a new IdentityHashMap with the same mappings and size as this one.