sum of arraylist java 8
int total = numbers.stream().mapToInt(i -> i.intValue()).sum();
System.out.print(total);sum of arraylist java 8
int total = numbers.stream().mapToInt(i -> i.intValue()).sum();
System.out.print(total);inbuild method to sum of an arraylist elements in java
//If you have a List<Integer>
int sum = list.stream().mapToInt(Integer::intValue).sum();
//If it's an int[]
int sum = IntStream.of(a).sum();Copyright © 2021 Codeinu
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