刘惠惠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); } }
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