why i get error in this code

Question

public class bubble {

static void firstLoop(int[] arr1){
int len=arr1.length;
for (int x=0; x<=len; x++){
System.out.println(arr1[x]);
}
System.out.println(" array consist of " + arr1.length + "cells");
}

public static void main (String[] args){
int[] arr = {4,5,4,9,10,45,2};
firstLoop(arr);
}
}

Answer 1

You're trying to access the element with index x==arr1.length. Remember that indexes go from 0 to (arr1.length)-1.

Change the for loop to this:

for (int x=0; x<len; x++){
// Code goes here
}