Check if an array is sorted(GeeksForGeeks)

isArraySorted.java

//Java Code for array checking problem given on school level on geeksforgeeks array school section.
import java.util.*;
import java.lang.*;
import java.io.*;
class GFG
 {
	public static void main (String[] args)
	 {
	    Scanner s = new Scanner(System.in);
	    int ntest = s.nextInt();
        while (ntest-- > 0){
            int size = s.nextInt();
		    int[] arr = new int[size];
		    for (int i = 0; i < size; i++){
		        arr[i] = s.nextInt();
		    }
          //here using the clone object method,which is basically creating a replica of an array.
		    int[] ch = arr.clone();
		    Arrays.sort(arr);
          //now comparing them.
		    System.out.println(Arrays.equals(ch, arr)? 1: 0);
        }
	 }
}