Java

How to convert List – Long to long or vise versa?

There is no automatic conversion from array of primitive type to array of their boxed reference types or vise versa. You have to iterate for each data. Converting List<Long> to long[] 1 2 3 4 5 6 7 List input = getSomeLongs(); // Assume some values long[] output = new long[input.size()]; int index = 0; […]