initializations.java

《A first book of java》by Gary J.Bronson 北大出版社

public class Initializations
{
  public static void main(String[] args)
  {
    double grade1 = 85.5;
    double grade2 = 97.0;
    double total, average;
    total = grade1 + grade2;
    average = total/2.0;  // divide the total by 2.0
    System.out.println("The average grade is " + average);
  }
}