reusingavariable.java

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

public class ReusingAVariable
{
  public static void main(String[] args)
  {
    int sum;
    sum = 25;
    System.out.println("The number stored in sum is " + sum);
    sum = sum + 10;
    System.out.println("The number now stored in sum is " + sum);
  }
}