sum of no

inbuild method to sum of an arraylist elements in java

find sum of first and last digits in java

Java program to calculate sum of even and odd numbers in an array

Java program to find the sum of all even numbers from 1 to 10

how to output sum of even numbers in java between two user values

program to calculate and return the sum of distance between the adjacent numbers in an array of positive integer java

Given an integer number n, return the difference between the product of its digits and the sum of its digits.

Given an array of integers with repeating elements, find sum of differences between positions of repeated elements and store them in an array of same size.

Find the smallest length of a contiguous subarray of which the sum is greater than or equal to specified value in java