public class App1 
{
  public static int k = 10;//相當(dāng)于全局變量
  public static void main(String[] args)
  {
    int i = 10;//局部變量
    fun();
    g(10);
  } 
  public static void fun()
  {
    System.out.println(k);
  }
  public static void g(int j)//局部變量
  {
    System.out.println(j);
  }

}