明解Java Chap7XT16

package com.yangwei.study;

import java.util.Arrays;
import java.util.Random;
import java.util.Scanner;

public class Chap7XT16 {
    static int minOf(int[] a){
        int min = a[0];

        for(int i = 0; i < a.length; i++){
            if(min > a[i]){
                min = a[i];
            }
        }

        return min;
    }

    public static void main(String[] args) {
        Scanner stdIn = new Scanner(System.in);
        Random rand = new Random();

        System.out.print("输入元素个数：");
        int n = stdIn.nextInt();
        int[] arr = new int[n];

        for(int i = 0; i < n; i++){
            arr[i] = rand.nextInt(100);
        }

        System.out.println(Arrays.toString(arr));
        System.out.println("数组最小的元素是：" + minOf(arr));
    }
}