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To create an instance of BigDecimal for 454.45, use  _____A. BigInteger(454.45);B. new BigInteger(454.45);C. BigInteger("454.45");D. new BigDecimal("454.45");

Question

To create an instance of BigDecimal for 454.45, use  _____A. BigInteger(454.45);B. new BigInteger(454.45);C. BigInteger("454.45");D. new BigDecimal("454.45");

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Solution

The correct answer is D. new BigDecimal("454.45");

Here's why:

A. BigInteger(454.45); - This is incorrect because BigInteger is used for integer numbers, not decimal numbers. Also, the syntax is incorrect. You need to use the "new" keyword to create an instance.

B. new BigInteger(454.45); - This is incorrect for the same reasons as option A. BigInteger is not used for decimal numbers and the argument should be a string.

C. BigInteger("454.45"); - This is incorrect because BigInteger is not used for decimal numbers. Also, the syntax is incorrect. You need to use the "new" keyword to create an instance.

D. new BigDecimal("454.45"); - This is correct. BigDecimal is used for decimal numbers and the argument is correctly passed as a string. The "new" keyword is used to create an instance.

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