随机数 作业

package zuoye;

import java.util.Random;

public class Test1 {
    public static void main(String[] args) {
        Random rand = new Random();
        int arr[] = new int[10];
        for (int i = 0; i < arr.length; i++) {
            arr[i] = rand.nextInt(100);
            System.out.print(arr[i] + "\t");
        }
        System.out.println();
        RandomNum rn = new RandomNum(arr);
    }
}

class RandomNum {
    int arr[];

    public RandomNum(int arr[]) {
        this.arr = arr;
    }

    public double getMaxNum(int arr[]) {
        int max = arr[0];
        for (int i = 0; i < arr.length; i++) {
            if (arr[i] > max)
                max = arr[i];
        }
        System.out.println("The max num of the array is " + max);
        return max;
    }

}