Write a single statement to add up the first digit and the last digit of a three digit number stored in the
variable named x and assign the sum to y.
Answers
Answer . 35. the answer is 35
Explanation:
Y equals 15 right X equals 20 so 20x15 equals.?
public class FirstLastDigitSum {
public static int sumFirstAndLastDigit(int number)//to add first and last
//digits of a given interger
{
int firstdigit=0;
int lastdigit=0;
if(number>=0 && number<=9)
{
return number+number;
}
else if(number>9)
{
lastdigit=number%10;
while(number>0)
{
number/=10;
if(number<=9 & number>=0){
firstdigit=number;
}
}
return firstdigit+lastdigit;
}
else
return -1;
}
public static void main(String[] args)
{
System.out.println(sumFirstAndLastDigit(121));
}
}