Java第四周作业

1.

package aa;
public class text {

    public static void main(String[] args) {
        int sum=0;
        for(int i=1;i<=100;i++){
            if(i%3==0){
                sum+=i;
            }        
    }
        System.out.println("100以内能被3整除的整数和为"+sum);
    }
}

package aa;
public class text {

    public static void main(String[] args) {
        int sum=0,i=1;
        do{
            if(i%3==0){
            sum+=i;
            }
            i++;
        }while(i<=100);
        System.out.println("100以内能被3整除的整数和为"+sum);
    }
}
package aa;
public class text {

    public static void main(String[] args) {
        int sum=0,i=1;
        while(i<=100){
            if(i%3==0){
                sum+=i;
                }
            i++;
        }
        System.out.println("100以内能被3整除的整数和为"+sum);
    }
}

package aa;
public class text {

    public static void main(String[] args) {
        for(int i=1;i<=9;i++){
            if(i==5){
                continue;
            }
            System.out.println(i);
        }
        
    }
}

package aa;

import java.util.Scanner;

public class text {
    public static void main(String[] args) {
        int jc=1;
        System.out.println("请输入n的值:");
        Scanner input=new Scanner(System.in);
        int n=input.nextInt();
        for(int i=1;i<=n;i++){
            jc*=i;        
        }
        System.out.println("n的阶乘是"+jc);
}
}

package aa;

import java.util.Scanner;

public class text {
    public static void main(String[] args) {
        int i=1;
        while(i!=6){
            System.out.println("请输入学生成绩:");
            Scanner input=new Scanner(System.in);
            int n=input.nextInt();
            if(n<0||n>100){
             System.out.println("输入的成绩不合法，请重新输入");
             i=5;
          continue;
            }else{
                System.out.println("成绩合法，程序结束");
                i=6;
            }            
        }
}
}

package aa;

import java.util.Scanner;

public class text {
    public static void main(String[] args) {
        double a=0,x=30000,b=0;
        for(int i=1;i<=10;i++){
            a=x*1.06;
            b+=a;
            x=a;
        }
        System.out.println("十年后的年薪是"+a+","+"总收入是"+(b+30000));
            
}
}