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What will be the output of the following Java program? public class SumOfArray {     public static void main(String[ ] args) {         int [ ] arr = new int [ ] {1, 2, 3, 4};         int sum  = 0;         for (int i = 0; i < arr.length; i++)         {             sum = sum + arr[i];         }                      System.out.println("Sum of all the elements of an arry: " + sum);               } }

What will be the output of the following Java program? public class SumOfArray {     public static void main(String[ ] args) {         int [ ] arr = new int [ ] {1, 2, 3, 4};         int sum  = 0;         for (int i = 0; i < arr.length; i++)         {             sum = sum + arr[i];         }                      System.out.println("Sum of all the elements of an arry: " + sum);               } } Correct Answer <span style="">Sum of all the elements of an array: 10</span>

The correct answer is option 2.

Concept:

An array in Java is an object that contains elements of the same data type. Furthermore, the items of an array are kept in a single memory address. It's a data structure where we save items that are comparable. In a Java array, we can only hold a fixed number of items.

The given Java code is,

public class SumOfArray

{

      public static void main(String args)

      int arr = new int {1, 2, 3, 4};

      int sum  = 0;

     for (int i = 0; i < arr.length; i++) {  

               sum = sum + arr; }

      System.out.printIn("Sum of all the elements of an arry: " + sum); }

}

Explanation:

"arr" is an integer array it has four elements like,

arr=1;

arr=2;

arr=3;

arr=4;

And initially, the sum has zero, and each iteration of the for-loop adds to the sum. At end of the sum, the variable has added all elements in an integer arr of four elements.

sum=1+2+3+4;

And sum=10

Prints like  Sum of all the elements of an array: 10 as output.

Hence the correct answer is the Sum of all the elements of an array: 10.

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