Answered

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For which of the following tasks would a for-each loop be appropriate?
A. Reversing the order of the elements in an array.
B. Printing all the elements at even indices of an array.
C. Printing every element in an array.
D. Determining how many elements in an array of doubles are positive.
E. Determining whether an array of Strings is arranged in alphabetical order.
F. Printing every even number in an array of ints.

Sagot :

Answer:

The answer is "Option B, C,  and F".

Explanation:

In the For-each loop, it is used for traversing items in a sequence is the control flow expression. It typically required a loop becomes referred to it as an enhanced loop for iterating its array as well as the collection elements. This loop is a version shortcut that skips the need for the hasNext() method to get iterator and the loop and over an iterator, and the incorrect choice can be determined as follows:

  • In choice A, it is wrong because it can't reverse the array element.
  • In choice D, it is wrong because it can't determine the array of positive.
  • In choice E, it is wrong because it can't determine an array of the sting in alphabetical order.
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