AP CSP Practice Test On Arrays (ArrayList And 2D Arrays)

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Consider this class: public class BingoCard { private int[] card; /** Default constructor: Creates BingoCard with * 20 random digits in the range 1 - 90. */ public BingoCard() { /* implementation not shown */ } /* Display BingoCard. */ public void display() { /* implementation not shown */ } ... } Assuming that players has been declared as an array of BingoCard , which of the following is a correct replacement for /* construct each BingoCard */ ? I for (BingoCard card : players) card = new BingoCard(); II for (BingoCard card : players) players[card] = new BingoCard(); III for (int i = 0; i < players.length; i++) players[i] = new BingoCard();

I and II only whenever arr contains at least one negative integer III only System.out.println(a.getName());

Correct Answer:

III only

Explanation:

Correct answer: III only

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