How does BigDecimal multiply to INT?
BigDecimal amount = new BigDecimal(BigInteger. ZERO, 2); Second, We convert quantity (int) to BigDecimal Object. Finally, we multiply two BigDecimal numbers (productPrice*quantity) using BigDecimal.
How do I check if BigDecimal is integer?
Depending on the source/usage of your BigDecimal values it might be faster to check if the scale <= 0 first. If it is, then it’s definitely an integer value in the mathematical sense. If it is >0, then it could still be an integer value and the more expensive test would be needed.
How do you do math on BigDecimal?
BigDecimal subTotal, taxRate, tax, total; subTotal = new BigDecimal(“32.50”); taxRate = new BigDecimal(“0.05”); tax = subTotal. multiply(taxRate); total = subTotal. add(tax);…How to Do BigDecimal Arithmetic for Java.
| Method | Explanation |
|---|---|
| BigDecimal multiply(BigDecimal val) | Multiplies this BigDecimal by the specified BigDecimal and returns the result. |
Can BigDecimal accept negative values?
The value of the BigDecimal is (BigInteger/10**scale). A negative scale will result in a NumberFormatException. Returns a BigDecimal with a value of (val/10**scale). A negative scale will result in a NumberFormatException.
How does BigDecimal value multiply?
The java. math. BigDecimal. multiply(BigDecimal multiplicand, MathContext mc) is an inbuilt method in Java that returns a BigDecimal whose value is (this × multiplicand), with rounding according to the context settings.
Why do we use BigDecimal in Java?
Java BigDecimal class is used to deal with financial data. BigDecimal is preferred while dealing with high-precision arithmetic or situations that require more granular control over rounding off calculations.
What is BigDecimal scale java?
scale() is an inbuilt method in java that returns the scale of this BigDecimal. For zero or positive value, the scale is the number of digits to the right of the decimal point. For negative value, the unscaled value of the number is multiplied by ten to the power of the negation of the scale.