public class ClassVar4
{
   public static double a = 3.1415;

   public static void main(String[] args)
   {
      System.out.println( a );     // prints 3.1415                 ... (1)

      {
         String a = "abc";         // Class var a is not accessible ...(2)   
                                   // inside inner scope
         System.out.println( a );  // prints "abc"                  ...(3)

         System.out.println( ClassVar4.a ); // prints 3.1415        ...(4)
      }                            //                               ...(5)

      System.out.println( a );     // prints 3.1415                 ...(6)

      boolean a = true;            // Class var a is not accessible ...(7)
                                   // in main any longer !!!
      System.out.println( a );     // prints true                   ...(8)

      System.out.println( ClassVar4.a ); // prints 3.1415           ...(9)
   }
}