String[] originalInputs = { "a", "b", "c" };
        CharMappingItem item = new CharMappingItem(1L, originalInputs, "output");

        String[] returnedInputs = item.getInputs();

        // Modifying returned array should not affect original
        returnedInputs[0] = "modified";

        // Get again and verify not modified
        String[] inputs2 = item.getInputs();
        assertEquals("a", inputs2[0]);