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Question: Write a method called addArr that accepts as an arguments an array of integers (call numArr). The method returns the sum of all the values in it. Demonstrate the method by calling it from the main() and passing to it an array of integers (declare and initialize with 10 random values generated using the Random class in the range 1-100. Print the sum in the main().

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Here's a complete Java program that demonstrates the `addArr()` method you described: ```java import java.util.Random; public class ArraySum { public static void main(String[] args) { int[] numArr = new int; Random random = new Random(); // Generate 10 random values between 1 and 100 for (int i = 0; i < numArr.length; i++) { numArr[i] = random.nextInt(100) + 1; } // Call the addArr method and print the result int sum = addArr(numArr); System.out.println("The sum of the array is: " + sum); } /** * addArr method to find the sum of all values in an array */ public static int addArr(int[] numArr) { int sum = 0; for (int num : numArr) { sum += num; } return sum; } } ``` This program does the following: 1. Imports the necessary class `Random`. 2. Defines a `main()` method to create and initialize the array of integers with 10 random values between 1 and 100. 3. Calls the `addArr()` method and passes the array of integers to it. 4. Prints the sum returned by the `addArr()` method. 5. Defines the `addArr()` method that accepts an array of integers called `numArr` and calculates the sum of its elements. It then returns the sum.

April 3, 2023, 11:22 a.m.

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