Example 1: Util without state

UtilNoState.java

package thirdcomponent;

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

public class UtilNoState {

  public static void main(String[] args) {
    System.out.println(calculate(BigDecimal.ONE,
        BigDecimal.valueOf(3L), MathContext.DECIMAL32));
    // prints 0.3333333
  }

  public static BigDecimal calculate(BigDecimal x,
      BigDecimal y, MathContext c) {
    return x.divide(y, c);
  }
}