Java_冒泡排序|获取数组最大值和最小值操作，编写函数得到0到n之间的随机数，并找出产生m个这样的随机数中最大的、最小的数，并统计其中>=60的有多少个

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

/**
 * 获取数组最大值和最小值操作：编写函数得到0到n之间的随机数。
 * 并找出产生m个这样的随机数中最大的、最小的数，并统计其中>=60的有多少个
 * 
 * @author Chill Lyn
 *
 */
public class MaxMinInArray {

	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		System.out.println("Please input how many num do you want: ");
		int m = scanner.nextInt();
		System.out.println("Please input the upper limit: ");
		int n = scanner.nextInt();

		int[] a = new int[m];
		for (int i = 0; i < m; i++) {
			a[i] = (int) (Math.random() * n);
		}

		System.out.println(Arrays.toString(a));
		maxmin(a);
		largerThan60(a);

	}

	public static void maxmin(int[] a) {
		int temp = 0;
		boolean flag = true;

		for (int j = 0; j < a.length; j++) {

			for (int i = 0; i < a.length - 1 - j; i++) {
				if (a[i] > a[i + 1]) {
					temp = a[i];
					a[i] = a[i + 1];
					a[i + 1] = temp;
					flag = false;
				}
			}
			if (flag) {
				break;
			}
		}
		System.out.println("Max: " + a[a.length - 1]);
		System.out.println("Min: " + a[0]);

	}

	public static void largerThan60(int[] a) {
		int count = 0;
		for (int i = 0; i < a.length; i++) {
			if (a[i] >= 60) {
				count++;
			}
		}
		System.out.println("Amount of larger than or equal to 60: " + count);
	}
}