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How to find the sum of an array in java

Sum of all numbers in array java

int[] a = {10,20,30,40,50};
int sum = IntStream.of(a).sum();
System.out.println("The sum is " + sum);

Source: stackoverflow.com

Sum numbers in array java

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);
}
}

How to find the length of an array in java

class Main {
  public static void main(String[] args) {
    // Creating an array called x.
    String[] x = new String[]{"This", "Should", "return", "4"};
    // "x.length" finds the length of the array "x".
    System.out.println(x.length);
    // returns 4
  }
}

How to find the sum of an array in java

int [] arr = {1,2,3,4};
int sum = Arrays.stream(arr).sum(); //prints 10

Source: stackoverflow.com

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