Java | Data Types | Question 3

Predict the output of the following program.

class Test
{
    public static void main(String[] args)
    {
        Double object = new Double("2.4");
        int a = object.intValue();
        byte b = object.byteValue();
        float d = object.floatValue();
        double c = object.doubleValue();

        System.out.println(a + b + c + d );

    }
}

(A) 8
(B) 8.8
(C) 8.800000095367432


Answer: (C)

Explanation: Arithmetic conversions are implicitly performed to cast the values to a common type. The compiler first performs integer promotion. If the operands still have different types, then they are converted to the type that appears highest in the hierarchy.

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