String list to Integer list

Convert list of strings to ints python

test_list = ['1', '4', '3', '6', '7'] 

int_list = [int(i) for i in test_list]

Convert list into integer in python

integers = [1, 2, 3]
strings = [str(integer) for integer in integers]
a_string = "". join(strings)
an_integer = int(a_string)
print(an_integer)

String list to Integer list

List<String> stringList = new ArrayList<String>(Arrays.asList("10", "30", "40",
            "50", "60", "70"));
List<Integer> integerList = stringList.stream()
            .map(Integer::valueOf).collect(Collectors.toList());

Source: stackoverflow.com

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