java - day014 - compile, run

• Compile
  • Static member
  • Private variables
  • Member variables
• Runtime
  • Non-static method

• Package day1401; 
  
  public  class Test1 {
       public  static  void main (String [] args) { 
  
          B B = new new B (); 
          A A = new new B (); 
          
          // operation period, and is bound to the subclass method 
          BP (); 
          AP (); 
          
          // compile lookup
           // compile, based on the type of a variable defined 
           // Find f in this class () method and bind 
          
          Bf (); 
          of Af (); 
          
          / * 
           * compile-bound 
           * 
           * / 
          System.out.println (b.v1); 
          System.out.println (a.v1); 
      } 
  }
  
  
  class A{
      
      int v1 = 2;
      static void f() {
          System.out.println("A.f()");
      }
      
      void p() {
          System.out.println("A.p()");
      }
      
  }
  
  
  class B extends A {
      int v1 = 1;
      static void f() {
          System.out.println("B.f()");
      }
      
      void p() {
          System.out.println("B.p()");
      }
          
  }