Call me, maybe?

 1 　　@Test
 2     public void testTel(){
 3         
 4         int[]arr=new int[]{8,2,1,5,7,4,9};
 5         int[]index=new int[]{2,0,1,1,2,6,3,0,5,4,6};
 6         
 7         String tel="";
 8         for(int i:index){
 9             tel+=arr[i];
10         }
11         System.out.println("My Number is:"+tel);
12     }