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Java.math.BigDecimal.negate() Method
Description
The java.math.BigDecimal.negate(MathContext mc) returns a BigDecimal whose value is (-this), with rounding according to the context settings.
Declaration
Following is the declaration for java.math.BigDecimal.negate() method.
public BigDecimal negate(MathContext mc)
Parameters
mc - The context to use.
Return Value
This method returns the negated value of the object i.e - this, rounded as necessary.
Exception
ArithmeticException − If the result is inexact but the rounding mode is UNNECESSARY.
Example
The following example shows the usage of math.BigDecimal.negate() method.
package com.tutorialspoint; import java.math.*; public class BigDecimalDemo { public static void main(String[] args) { // create 2 BigDecimal objects BigDecimal bg1, bg2; MathContext mc = new MathContext(4);// 4 precision // assign value to bg1 bg1 = new BigDecimal("40.1264"); // assign negate value of bg1 to bg2 using mc bg2 = bg1.negate(mc); String str = "Negated value, rounded to 2 precision is " +bg2; // print bg2 value System.out.println( str ); } }
Let us compile and run the above program, this will produce the following result −
Negated value, rounded to 2 precision is -40.13
java_math_bigdecimal.htm
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