4.16上机作业

package a;

import java.util.Scanner;

public class ma {

	public static void main(String[] args) {
		int a[] = new int[10];
		int sum = 0, max = 0, min = 1000;
		System.out.println("请输入分数");
		for (int i = 0; i < a.length; i++) {
			Scanner input = new Scanner(System.in);
			a[i] = input.nextInt();
		}
		for (int j = 0; j < a.length; j++) {
			if (a[j] > max) {
				max = a[j];
			}
		}
		for (int x = 0; x < a.length; x++) {
			if (a[x] < min) {
				min = a[x];
			}
		}
		for (int y = 0; y < a.length; y++) {
			sum += a[y];
		}
		System.out.println("平均分是" + (sum -max-min)/ 8.0);
	}

}

　　

 

 

package a;

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

public class ma {

	public static void main(String[] args) {
		int a[] = new int[10];
		Random r = new Random();
		for (int i = 0; i < a.length; i++) {
			a[i] = r.nextInt(100);
		}
		for (int i = 0; i < a.length - 1; i++) {
			for (int n = 0; n < a.length - 1 - i; n++) {
				if (a[n] > a[n + 1]) {
					int c = a[n];
					a[n] = a[n + 1];
					a[n + 1] = c;
				}
			}

		}
		for (int x = 0; x < a.length; x++) {
			System.out.println(a[x]);
		}

	}

}

　　

 

 

package a;

import java.util.Random;

public class ma {

	public static void main(String[] args) {
		int a[] = new int[7];
		Random r = new Random();
		for (int i = 0; i < a.length; i++) {
			a[i] = r.nextInt(35)+1;
		}
		for (int x = 0; x < a.length; x++) {
			System.out.println(a[x]);
		}

	}

}

　　

 

 

package a;

public class ma {

	public static void main(String[] args) {
		int a[] = { 10, 20, 33, 34, 87, 90, 88, 9, 38, 44 }, q = 0;
		int o = 0, max = a[0], min = a[0];
		for (int i = 0; i < a.length; i++) {
			if (a[i] % 2 == 0) {
				o = o + 1;
			} else {
				q = q + 1;
			}
		}
		for (int x = 0; x < a.length; x++) {
			if (a[x] > max) {
				max = a[x];
			}
		}
		for (int y = 0; y < a.length; y++) {
			if (a[y] < min) {
				min = a[y];
			}
		}
		System.out.println("最大值是" + max + ",最小值是" + min + ",奇数有" + q + "个，偶数有" + o + "个");
	}
}