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第七次Java作业

package HKLHXD;

public class BGKHXD {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        int []a={10,20,30,40,50};
        for (int i : a) {
            System.out.println(i);
        }

    }

}

package HKLHXD;

import java.util.Scanner;

public class BGKHXD {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        int []a=new int[5];
        Scanner input=new Scanner(System.in);
        System.out.println("请输入五个数字");
        for (int i = 0; i < a.length; i++) {
            a[i]=input.nextInt();
        }
        for (int i : a) {
            System.out.println(i);
        }

    }

}

package HKLHXD;



public class BGKHXD {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        char []a={'c','h','i','n','a'};
        for (int i = 0; i < a.length; i++) {
            System.out.println(a[i]);
        }

    }

}

package HKLHXD;

import java.util.Scanner;



public class BGKHXD {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        int []a=new int[5];
        int sum=0;
        double aver;
        Scanner input=new Scanner(System.in);
        System.out.println("请输入五名学生的成绩");
        for (int i = 0; i < a.length; i++) {
            a[i]=input.nextInt();
        }
        for (int i = 0; i < a.length; i++) {
            sum+=a[i];
        }
        aver=sum/5;
        System.out.println("总分为"+sum+"\t"+"平均分为"+aver);
    }

}

package HKLHXD;

public class BGKHXD {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        int []a={12,53,23,44,53};
        for (int i = 0; i < a.length; i++) {
            System.out.println(a[i]);
        }
        for (int i : a) {
            System.out.println(i);
        }
        System.out.println("倒序输出");
        for (int i = a.length-1; i >=0 ; i--) {
            System.out.println(a[i]);
        }
    }

}

package HKLHXD;

import java.awt.im.InputContext;
import java.util.Scanner;

public class BGKHXD {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Scanner input=new Scanner(System.in);
        int []a=new int[5];
        int t=0,k=0;
        System.out.println("请输入五个数字");
        for (int i = 0; i < a.length; i++) {
            a[i]=input.nextInt();
        }
        for (int i = 0; i < a.length; i++) {
            if(a[i]%2==0&&a[i]!=0){
                t++;
            }
            if(a[i]%2!=0&&a[i]!=0)
                k++;
        }
        System.out.println("奇数个数为"+k+"\t"+"偶数个数为"+t);
    }

}

package HKLHXD;

import java.awt.im.InputContext;
import java.util.Scanner;

public class BGKHXD {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        int []a=new int[100];
        for (int i = 0; i < 100; i++) {
            a[i]=i+1;
        }
        for (int i : a) {
            System.out.println(i);
        }
    }

}
package HKLHXD;

import java.awt.im.InputContext;
import java.util.Scanner;

public class BGKHXD {

    /**
     * @param args
     */
    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Scanner input=new Scanner(System.in);
        System.out.println("请输入10名学生成绩");
        double []a=new double[10];
        for (int i = 0; i < a.length; i++) {
            a[i]=input.nextDouble();
        }
        for (int i = 0; i < a.length; i++) {
            a[i]+=5;
            if (a[i]>100) {
                a[i]=100;
            }
        }
        System.out.println("加分后的成绩为");
        for (double d : a) {
            System.out.println(+d);            
        }

    }

}

posted on 2021-04-18 21:39  Glame  阅读(63)  评论(0编辑  收藏  举报

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