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

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Syntax

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

public BigDecimal setScale(int newScale,   int roundingMode)

Example

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

//  w ww  .  j  ava2  s  . c o m
import java.math.BigDecimal;
import java.math.RoundingMode;

public class Main {

  public static void main(String[] args) {

    BigDecimal bg1 = new BigDecimal("123.12345678");

    // set scale of bg1 to 2 in bg2
    // 0 specifies ROUND_UP
    BigDecimal bg2 = bg1.setScale(2, RoundingMode.UP);

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

    System.out.println(str);
  }
}

The code above generates the following result.

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