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makeLast challenge

Last Modified: 2015-06-22

I am trying


public int[] makeLast(int[] nums) {

int len= nums.length;
int lenNew=2*len;

int numsNew[]=new int[lenNew];

for(int i=0;i<lenNew-1;i++)
return numsNew;

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I passed alll the tests. How do i improve above code. please advise
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