第七周上机

package book1;
import java.util.*;
public class asd {

    public static void main(String[] args) {
        int[] a= new int[10];
        double sum=0;
        Scanner input = new Scanner(System.in);
        for (int i = 0; i < a.length; i++) {
            System.out.println("请输入第"+(i+1)+"个成绩");
            a[i]=input.nextInt();
        }
        for (int i = 0; i < a.length - 1; i++) {
            for (int j = 0; j < a.length - 1 - i; j++) {
                if (a[j] > a[j + 1]) {
                    int b = a[j];
                    a[j] = a[j + 1];
                    a[j + 1] = b;
                }

            }

        }
        for (int i = 1; i < 9; i++) {
            sum+=a[i];
        }
        System.out.println("平均分为"+sum/8);
    }
}

package book1;

import java.util.Random;

public class asd {

    public static void main(String[] args) {
        int[] a = new int[10];
        Random r = new Random();
        for (int i = 0; i < 10; i++) {
            a[i] = r.nextInt(100);
        }
        for (int i = 0; i < a.length - 1; i++) {
            for (int j = 0; j < a.length - 1 - i; j++) {
                if (a[j] > a[j + 1]) {
                    int b = a[j];
                    a[j] = a[j + 1];
                    a[j + 1] = b;
                }
            }
        }
        for (int i : a) {
            System.out.print(i+" ");
        }
    }
}

package book1;

import java.util.Random;

public class seven04 {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        int[] a = new int[7];
        Random r = new Random();
        for (int i = 0; i < a.length; i++) {
            a[i] = r.nextInt(35) + 1;
        }
        System.out.println("35选7号码为:");
        for (int i = 0; i < a.length; i++) {
            System.out.print(a[i]+" ");
        }
    }
}

package book1;

public class seven04 {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        int []a={3,4,7,9,5,6,2,10,1,6};
        int max=a[0];
        int min=a[0];
        int JS=0;
        int OS=0;
        for (int i = 1; i <a.length ; i++) {
            if (a[i]>max){
                max=a[i];
            }
        }
        for (int j = 1; j <a.length ; j++) {
            if (a[j]<min){
                min=a[j];
            }
        }
        for (int k = 0; k< a.length; k++) {
            if (a[k]%2==0){
                OS+=1;
            }else {
                JS+=1;
            }
        }
        System.out.println("最大值为"+max+"最小值为"+min+"偶数有"+OS+"个"+"奇数有"+JS+"个");

    }

}