/Java/Sum of list java

Sum of list java

Sum and array list java

int sum = (list.stream().
        mapToInt(i -> i.intValue()).sum()

3

Sum of list java

double sum = 0;
for(int i = 0; i < m.size(); i++)
    sum += m.get(i);
return sum;

1

Source: stackoverflow.com

Inbuild method to sum of an arraylist elements in java

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

1

Source: stackoverflow.com

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();

-1

Similar codes

0 vote111 views1 answer
Get class from generic type java
Java
22 votes154 views8 answers
Intellij idea
Java
2 votes117 views2 answers
Spring boot param object
Java
5 votes110 views2 answers
This keyword in java
Java
0 vote138 views1 answer
Convert date to offsetdatetime in java
Java
7 votes120 views2 answers
How to add the last area of an array in java
Java
0 vote121 views1 answer
How to add spaces before string in java
Java
0 vote118 views1 answer
IsEmpty java code
Java
3 votes210 views3 answers
Spring mvc
Java Spring
0 vote115 views1 answer
Java windowbuilder launch on second monitor
Java

Share