import JSHOP2.*;import java.util.Comparator;public class MyComparator implements Comparator{  private int varIdx;  public MyComparator(int varIdxIn)  {    varIdx = varIdxIn;  }  public int compare(Object o1, Object o2)  {    Term[] t1 = (Term[])o1;    Term[] t2 = (Term[])o2;    //-- Get the numerical values of the two terms.    int n1 = (int)((TermNumber)t1[varIdx]).getNumber();    int n2 = (int)((TermNumber)t2[varIdx]).getNumber();    //-- Compare them and return the result. This particular comparison    //-- function prefers odd numbers to even numbers.    if ((n1 & 1) == 1)      return -1;    else if ((n2 & 1) == 1)      return 1;    return 0;  }}