stream sum java
List<Integer> integers = Arrays.asList(1, 2, 3, 4, 5);
Integer sum = integers.stream()
.collect(Collectors.summingInt(Integer::intValue));stream sum java
List<Integer> integers = Arrays.asList(1, 2, 3, 4, 5);
Integer sum = integers.stream()
.collect(Collectors.summingInt(Integer::intValue));java running sum of array
class Solution {
public int[] runningSum(int[] nums) {
int[] sol = new int[nums.length];
sol[0] = nums[0];
for(int i = 1; i < nums.length; i++) {
sol[i] = sol[i-1] + nums[i];
}
return sol;
}
}
// Example: runningSum([1,3,6,9]) = [1, 4, 10, 19] = [1, 1+3, 1+3+6, 1+3+6+9]java summe array
int[] A = {1, 2, 3};
int sum = 0;
for(int i = 0; i < A.length; i++){
sum += A[i];
}
System.out.prinln(sum);//Ausgabe wäre in dem Beispiel: 6Copyright © 2021 Codeinu
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