What is the result(Multidimensional arrays)? : Questions « Operators « SCJP

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public class MainClass {
    { index = 1; }
    int index;
    public static void main(String[] args) {
      new MainClass().go();
    }
    void go() {
     int [][] dd = {{9,8,7}, {6,5,4}, {3,2,1,0}};
     System.out.println(dd[index++][index++]);
   }
 }