numbers1 = _objectWrappers.wrap(_arrays.arrayOf(_plugins.loadClass("java.lang.Long"), 1, 2, 3, 4, 5))
numbers2 = _iterables.listOf(3, 4, 5, 6, 7)
# 查找两个数组的并集
union = numbers1.union(numbers2)
# 输出：两个数组的并集: [1, 2, 3, 4, 5, 6, 7]
_console.log("两个数组的并集: ", union)