valueparameter.java

Java程序设计技巧与开发实例附书源代码。

public class ValueParameter
{  public static void aMethod(int input)
   {  System.out.println("Value of input at start of aMethod: " + input);
      input += 10;
      System.out.println("Value of input at end of aMethod: " + input);
   }
   public static void main(String args[])
   {  int number = 10;
      System.out.println("Value before calling method: " +  number);
      aMethod(number);
      System.out.println("Value after calling the method: " + number);
   }
}