Recursive thingy

.java

private static int recSeparate(int[] v, int i, List<Integer> list, int threshold) {

		
		
		if(i == v.length){
		   return 0;
		}
		
		if(v[i] < threshold){
			int a = recSeparate(v,i+1,list,threshold);
			list.add(a, v[i]);
			
			return  a;
		}else{
			
			list.addLast(v[i]);
			return recSeparate(v,++i,list,threshold);
		}
		
		
	}