how to use for loop for array in java

1// Java program to iterate over an array 
2// using for loop 
3import java.io.*; 
4class GFG { 
5  
6    public static void main(String args[]) throws IOException 
7    { 
8        int ar[] = { 1, 2, 3, 4, 5, 6, 7, 8 }; 
9        int i, x; 
10  
11        // iterating over an array 
12        for (i = 0; i < ar.length; i++) { 
13  
14            // accessing each element of array 
15            x = ar[i]; 
16            System.out.print(x + " "); 
17        } 
18    } 
19}