import ItemSet;public class Rule{  private ItemSet myLhs;  private ItemSet myRhs;  private int     mySupport;  private float   myConfidence;  Rule( ItemSet lhs, ItemSet rhs, int support, float confidence )  {   myLhs = lhs;   myRhs = rhs;   mySupport = support;   myConfidence = confidence;  }  public ItemSet getLhs()  {    return myLhs;  }  public ItemSet getRhs()  {    return myRhs;  }  public int getSupport()  {    return mySupport;  }  public float getConfidence()  {    return myConfidence;  }      public String toString()  {    return( myLhs+"==>"+myRhs+" (confidence="+myConfidence+" support="+mySupport+")");  }}