public class ScopeDemo
{
    public static int x = 4,    /* Block 1*/
                      y = 0;

    public static void foo()
    {                           /* Block 2 */
        int x = 3,
            z = x + 1;
	System.out.println("2 -- " + x + " " + y + " " + z);
    }

    public static void main( String[] args )
    {
        foo();

        y = x + 1;
        System.out.println("1 -- " + x + " " + y);
    }
}