inbuild method to sum of an arraylist elements in java

int total = numbers.stream().mapToInt(i -> i.intValue()).sum();
		System.out.print(total);

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Twsaef 100 points

                                    doubleList.stream().reduce((a,b)-&gt;a+b).get();

Thank you! 1

4 (1 Votes)

3.56

EPH 105 points

                                    //If you have a List&lt;Integer&gt;
int sum = list.stream().mapToInt(Integer::intValue).sum();

//If it's an int[]
int sum = IntStream.of(a).sum();

Thank you! 9

3.56 (9 Votes)

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inbuild method to sum of an arraylist elements in java

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