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Java bigdecimal subtract method example

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Example below demonstrates working of bigdecimal class subtract method. Method returns bigdecimal object values as per context settings.

Java bigdecimal subtract method example

     

Example below demonstrates working of bigdecimal class subtract method. Method returns bigdecimal object values as per context settings. This bigdecimal class method subtracts the object value( in which the method is invoked) by the value of object specified.

In shortly, method subtracts the specified object value from this.object value. 
In the example MathContext class mc object defines the rounding behavior of result.

Method generates NumberFormatException, if it finds the bigdecimal value other than integers and double types values. 

Syntax for using the method: public BigDecimal subtract(BigDecimal subtrahend, mc) 
Suppose three bigdecimal objects x, y & z then
z = x.subtract(y, mc);
System.out.println(z); 

Java_bigdecimal_subtract_method.java 

import java.math.BigDecimal;
import java.math.MathContext;

public class Java_bigdecimal_subtract_method {
  public static void main(String args[]) {

  MathContext mc = new MathContext(0);
  mc = mc.DECIMAL32;

  long valueD = 4000, valued = 1250;
  BigDecimal left_operand = new BigDecimal(valueD)
  , right_operand = new BigDecimal(valued),
  result = new BigDecimal(0);

  result = left_operand.subtract(right_operand, mc);
  System.out.println(" left operand value :" +
  " " + left_operand
  "\nright_operand value : " + right_operand
  "\nmethod generated value : " + result);

  double rogue_0 = 2000.01, rogue_1 = 1500.01;
  left_operand = new BigDecimal(rogue_0);
  right_operand = new BigDecimal(rogue_1);
  result = new BigDecimal(0);

  mc = mc.DECIMAL64;
  result = left_operand.subtract(right_operand, mc);
  System.out.println(" \nleft operand value :" +
  " " + left_operand
  "\nright_operand value : " + right_operand
  "\nmethod generated value : " + result);

  }
}

Download the code

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Posted on: November 24, 2008

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