xxxxxxxxxx
Input : arr[] = {1, 2, 3}
Output : 6
1 + 2 + 3 = 6
Input : arr[] = {15, 12, 13, 10}
Output : 50
15 + 12 + 13 + 10 = 50
xxxxxxxxxx
int [] arr = {1,2,3,4};
int sum = Arrays.stream(arr).sum(); //prints 10
xxxxxxxxxx
public class Exercise2 {
public static void main(String[] args) {
int my_array[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
int sum = 0;
for (int i : my_array)
sum += i;
System.out.println("The sum is " + sum);
}
}
xxxxxxxxxx
import java.util.Arrays;
import java.util.Scanner;
public class LeetCode_RunningSum {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
int[] arr = {1,2,3,4};
System.out.println(Arrays.toString(out(arr)));
}
static int[] out(int[] nums){
int sum = 0;
int[] arr = new int[nums.length];
for (int i = 0; i < nums.length; i++){
sum += nums[i];
arr[i] = sum;
}
return arr;
}
}
xxxxxxxxxx
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: 6
xxxxxxxxxx
static int arr[] = { 12, 3, 4, 15 };
// method for sum of elements in an array
static int sum()
{
int sum = 0; // initialize sum
int i;
// Iterate through all elements and add them to sum
for (i = 0; i < arr.length; i++)
sum += arr[i];
return sum;
}
xxxxxxxxxx
// Calculate the sum of all elements of an array
class Main {
public static void main(String[] args) {
// an array of numbers
int[] numbers = {3, 4, 5, -5, 0, 12};
int sum = 0;
// iterating through each element of the array
for (int number: numbers) {
sum += number;
}
System.out.println("Sum = " + sum);
}
}