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How to store boolean answers in arrays and output it in Java?


If the value at an index of the boolean array is true, print out the value in the String array at that index.

public static void printTrue(boolean[]
answers, String[] questions) {
    // checking both indices to avoid
ArrayIndexOutOfBoundsException
    for (int i = 0; i < answers.length
&&  i < questions.length; i++) {
        // if the answer is true
        if (answers[i]) {
            System.out.println(questions[i] + ": "
+ true);
        }
    }
}

When you say System.out.println(user); prints something like [Z@3b9187c7, this is because the toString() implementation for Object returns class name + @ + hex hashCode().

The Arrays#toString method creates a more readable result:

[false, false, false, true, true]

Categories : Java

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