Java Data Type Tutorial - Java BigDecimal.setScale(int newScale, RoundingMode roundingMode)

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Syntax

BigDecimal.setScale(int newScale, RoundingMode roundingMode) has the following syntax.

public BigDecimal setScale(int newScale,   RoundingMode roundingMode)

Example

In the following code shows how to use BigDecimal.setScale(int newScale, RoundingMode roundingMode) method.

/* w  w w .  j ava 2s  .  c  om*/
import java.math.BigDecimal;
import java.math.RoundingMode;

public class Main {

  public static void main(String[] args) {

    BigDecimal bg1 = new BigDecimal("123.12678");

    // set scale of bg1 to 2 in bg2 using floor as rounding mode
    BigDecimal bg2 = bg1.setScale(2, RoundingMode.FLOOR);

    String str = bg1 + " after changing the scale to 2 and rounding is " + bg2;

    // print bg2 value
    System.out.println(str);
  }
}

The code above generates the following result.

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