Sum of two array

import java.util.*;
public class Main {
public static void main (String args[]) {
int[] arr1={1,0,2,9};
int[] arr2={3,4,5,6,7};
int[] arr3=new int[]
for(int i=arr2.length;i<=0;i–){
int j=i-1;
arr3[i]=arr2[i]+arr[j];
if(arr3[i]>10){
arr3[i]=arr3[i]/10;
arr3[i-1]=arr3[i]+arr3[i];

		}

          j--;				
		}
for(int i=0;i<arr3.length;i++){
	System.out.print(arr3[i]+" ");
}
}

}

Hey @Sumant391
int[] arr3=new int[] // define size of array
arr3[i]=arr2[i]+arr[j]; // where is arr array
and also take input from Scanner