Basic operation of BigDecimal in Java (detailed explanation)

BigDecimal has four methods. Let's take a look at the two commonly used methods:

The first: BigDecimal (double VAL)

Translates a double into a BigDecimal.

Second: BigDecimal (string VAL)

Translates the String repre sentation of a BigDecimal into a BigDecimal.

To use BigDecimal, you need to use string to generate. To perform an addition operation, you need to convert two floating-point numbers into string, and then generate BigDecimal. Call the add method on one of them, pass in the other as a parameter, and then convert the operation result (BigDecimal) into floating-point numbers.

Basic usage:

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