Best way to handle multiple constructors in Java

Question

I\'ve been wondering what the best (i.e. cleanest/safest/most efficient) way of handling multiple constructors in Java is? Especially when in one or more constructors not al

Answer 1

Another consideration, if a field is required or has a limited range, perform the check in the constructor:

public Book(String title)
{
    if (title==null)
        throw new IllegalArgumentException("title can't be null");
    this.title = title;
}