inbuild method to sum of an arraylist elements in java

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Anton
14 Feb 2018
1int total = numbers.stream().mapToInt(i -> i.intValue()).sum();
2		System.out.print(total);
Anthony
13 May 2018
1doubleList.stream().reduce((a,b)->a+b).get();
2
Lorenzo
15 Jun 2019
1//If you have a List<Integer>
2int sum = list.stream().mapToInt(Integer::intValue).sum();
3
4//If it's an int[]
5int sum = IntStream.of(a).sum();
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