CodePudding user response:

Calculation accuracy is missing, numerical computing in general, not be so direct operation you can try to do

 

BigDecimal b1=new BigDecimal (Double. ToString (10 d)); 
BigDecimal b2=new BigDecimal (Double. ToString (1.15 d)); 
System. The out. Println (b1. Multiply (b2). DoubleValue ()); 

CodePudding user response:

This bigdecimal can be used to calculate