Please check my code
Biiggest Number
It’s showing error in Arrays. Sort()
Basically in comparator
add bracket here -> 
I.E (X+Y) and then try
It is showing error inArrays.sort(list, new Comparator()
your logic is correct , there is some java related issue ( i m not proficient in java so cant help u with java syntax).
first convert to string and then try to sort using following comparator
yeah done…!! Comparator never uses primitives thats why i changed int[] to ArrayList and then i solved it
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