The result of java calculation 6 1328*649 17 is negative. What is the reason? - Plastic Surgery and Aesthetics Network

The result of java calculation 6 1328*649 17 is negative. What is the reason?

Int cannot save this large number because it exceeds the maximum range of int.

BigDecimal calculation is recommended.

As follows:

BigDecimal BigDecimal = new BigDecimal(6 1328)；

BigDecimal BigDecimal 2 = new BigDecimal(649 17)；

BigDecimal multiply = BigDecimal . multiply(BigDecimal 2)；

long long value = multiply . long value()；

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