Question: Which iterator allows both forward and backward iteration in a QList container?Time left 1 : 3 8 : 2 6 a . QSetiteratorb. QVectoriteratorc. Listiterator

Which iterator allows both forward and backward iteration in a QList container?Time left 1:38:26a. QSetiteratorb. QVectoriteratorc. Listiterator d. Hashiterator

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