Design Patterns Java™ Workbook

Appendix B. Solutions

this.atomicWeight = atomicWeight;
}

public double getMoles(double grams)
{
return grams / atomicWeight;
}

public String getName()
{
return name;
}

public String getSymbol()
{
return symbol;
}

public double getAtomicWeight()
{
return atomicWeight;
}
}

public static Chemical getChemical(String name)
{
return (Chemical) chemicals.get(name.toLowerCase());
}
}