public static void main(String[] args) {
    //Declare and Initialize Arrays and Scanner
    Scanner scan = new Scanner(System.in);

    int num = 0;
    int[] array1;
    int highestgrade = 0;


    //Prompt user on how many grades they want to enter
    System.out.print("How many grades do you want to enter: ");
    num = scan.nextInt();
    array1 = new int[num];

    for(int i = 0; i < array1.length; i++){
        System.out.print("Enter grade out of 100: ");
        array1[i] = scan.nextInt();
    }

    //Traverse the array to find the highest grade entered

    for (int i = 0; array1[0] < array1[i]; i++){
        System.out.print("Higher");
    }

    //Display the results to the user
    System.out.print("The highest grade is " + highestgrade + ".");

    //Close scanner
    scan.close();

}