I have found this insertion example and I did not understand the goal of setting int i=26, rather than just doing a normal loop

public static void main(String[] args) {
    int[] arr=new int[10];
    arr[0]=1;
    arr[1]=2;
    arr[2]=5;
    int n=3;
    int capacity =10;
    //what I did not understand is this declaration of i
    int i,key=26;
    System.out.println("before sorted");
    for(i=0;i<n;i++){
        System.out.println(arr[i]);
    }
    n=insert(arr,n,key,capacity);
    System.out.println("after");
    for(i=0;i<n;i++){
        System.out.println(arr[i]);
    }
}
public static int insert(int[] arr,int n,int key, int capacity){
    if(n>=capacity) {
        return n;
    }
    arr[n]=key;
    return(n+1);