Example 2: Object with statically defined requirement

UtilWithStatics.java

package thirdcomponent;

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

public class UtilWithStatics {

  // Predefined math context for use in calculation.
  private final static MathContext C = MathContext.DECIMAL32;

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

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