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劉惠惠2.6,2.15

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2.6

import java.uti1.Scanner;

public class work{

    public static void main(String[]  args){

      Scanner input=new Scanner(System.in);

      System.out.print(“Enter a number between 0 and 1000:”);

      int number=input.nextInt();

 

      int sumOfDigits=0;

      while(number!=0){

        int digit=number%10;

        number=number/10;

        sumOfDigits+=digit;

      }

        System.out.println(“The sum of the digits is ”十sumOfDigits);

      }

}

 

 

2.15

import java.util.Scanner;

public class p {

  public static void main(String[]  args){

    Scanner input=new Scanner(System.in);


    System.out.print(“Enter x1 and y1:");
    double x1=input.nextDouble();
    double y1=input.nextDouble();


    System.out.print(“Enter  x2 and y2:”)
    double x2=input.next0ouble();
    double y2=input.nextDouble();
    double a=Math.pow(x2-x1,  2)+Math.pow(y2-y1,2);
    double distance=Math.pow(a,0.5);


    System.out.println(”The distance of the two points is  ”十distance);
  }
}
 

  

劉惠惠2.6,2.15