Java BigDecimal Add and other methods encountered problems

Source: Internet
Author: User

1 //This essay is to remind yourself to avoid repeating mistakes .2 3 4 5 //The original code is like this, thinking that the output will be 9.00, but the result is 0.006BigDecimal Day_fee =NewBigDecimal ("0.00");7Day_fee.add (NewBigDecimal ("9.00"));8System.out.print ("Day_fee:" +day_fee);9 Ten //The correct code should be like this, the output is the 9.00,bigdecimal use of the method itself will not change, unexpectedly was fooled OneBigDecimal Day_fee =NewBigDecimal ("0.00"); ADay_fee = Day_fee.add (NewBigDecimal ("9.00")); -System.out.print ("Day_fee:" +day_fee); -  the //and then BigDecimal other methods have a similar situation -  - //attachment: Found BigDecimal a method of self-turning negative numbers -Day_fee = Day_fee.negate ();

Java BigDecimal Add and other methods encountered problems

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