parents.java

Java程序设计技巧与开发实例附书源代码。

class Parents
{  // 成员变量
   String LABELS[] = {"father", "mother"};
   Address parents[] = new Address[2];
   // 构造方法
    Parents()
    {
        for (int i = 0; i < parents.length; i++)
        {
            System.out.print("Enter first name for " + LABELS[i] + ": ");
            String first = Console.readString();
            System.out.print("Enter last name for " + LABELS[i] + ": ");
            String last = Console.readString();
            System.out.print("Enter email address for " + LABELS[i] + ": ");
            String email = Console.readString();
            parents[i] = new Address(first, last, email);
        }
    }
   // 析构方法
   protected void finalize()
   {  for (int i = 0; i < parents.length; i++)
         parents[i] = null;
      parents = null;
   }
}