Call me, maybe?

　　Hey, I just met you,
　　
　　and this is crazy,
　　
　　but here's my number
　　
　　so call me, maybe?　

 　　@Test
     public void testTel(){

         int[]arr=new int[]{8,2,1,5,7,4,9};
         int[]index=new int[]{2,0,1,1,2,6,3,0,5,4,6};

         String tel="";
         for(int i:index){
             tel+=arr[i];
         }
         System.out.println("My Number is:"+tel);
     }