Chapter 2 homework,

Chapter 2 homework,

/* Programmers seek out the sum of all digits of an integer */

 

Import java. util. collections;

Public class Helloworld
{

Public static void main (String [] args)
 
{

Wrote input = new partition (System. in );
System. out. print ("Enter a number 0 & 1000 :");
Int number = input. nextInt ();
Int bit = number % 10;
Number = number/10;
Int ten = number % 10;
Number = number/10;
Int kil = number % 10;
System. out. println ("The sum of the digits is" + (bit + ten + kil )) 

}

}

/* The programmer's distance from two points */

Package HelloWorld;
Import java. util. collections;
Public class HelloWorld {
Public static void main (String [] args ){
Wrote input = new partition (System. in );

System. out. print ("input x1 and y1 :");
Double x1 = input. nextDouble ();
Double y1 = input. nextDouble ();

System. out. print ("input x2 and y2 :");
Double x2 = input. nextDouble ();
Double y2 = input. nextDouble ();

Double x = Math. pow (x2-x1), 2 );
Double y = Math. pow (y2-y1), 2 );

System. out. println ("the distance between the two points is:" + Math. pow (x + y), 0.5 ));
}
}