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);
    }