/Java/Inbuild method to sum of an arraylist elements in java

Inbuild method to sum of an arraylist elements in java

Sum of arraylist java 8

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

1

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 vote242 views1 answer
How to draw a circle in java swing
Java
3 votes330 views2 answers
Spring boot example with swagger
Java Spring
0 vote257 views1 answer
ArrayList<HashMap<String, String>> arrayList = new ArrayList<>()
Java
1 vote242 views2 answers
Object to int java
Java
0 vote250 views1 answer
Deserialize date java
Java
1 vote239 views1 answer
Selet all elemnts
Java
0 vote241 views1 answer
Trivers json node as node type2
Java
0 vote257 views1 answer
Map - counting with map
Java
2 votes260 views2 answers
Spigot action bar
Java
10 votes269 views4 answers
Java capitalize first letter of each word
Java

Share