Computer Applications
Write a menu driven program to input two positive numbers m and n (where m>n) and perform the following tasks:
(a) Find the sum of two numbers without using '+' operator.
(b) Find the product of two numbers without using '*' operator.
(c) Find the quotient and remainder of two numbers without using '/' and '%' operator.
[Hint: The last value obtained after each subtraction is the remainder and the number of iterations results in quotient.]
Sample Input: m=5, n=2
5 - 2 =3
3 - 2 = 1, thus Quotient = 2 and Remainder = 1
Answer
import java.util.Scanner;
public class KboatNumberOperations
{
public static void main(String args[]) {
Scanner in = new Scanner(System.in);
System.out.println("1. Sum without '+' operator");
System.out.println("2. Product without '*' operator");
System.out.println("3. Quotient and Remainder without '/' & '%' operators");
System.out.print("Enter your choice: ");
int choice = in.nextInt();
System.out.print("Enter m: ");
int m = in.nextInt();
System.out.print("Enter n: ");
int n = in.nextInt();
if (m > n) {
switch (choice) {
case 1:
while (n > 0) {
m++;
n--;
}
System.out.println("Sum = " + m);
break;
case 2:
int p = 0;
while (n > 0) {
p += m;
n--;
}
System.out.println("Product = " + p);
break;
case 3:
int q = 0;
while (m >= n) {
m = m - n;
q++;
}
System.out.println("Quotient = " + q);
System.out.println("Remainder = " + m);
break;
default:
System.out.println("Incorrect Choice");
break;
}
}
else {
System.out.println("Invalid Inputs");
}
}
}
Variable Description Table
Program Explanation
Output
Related Questions
In order to reach the top of a pole, a monkey in his first attempt reaches to a height of 5 feet and in the subsequent jumps, he slips down by 2% of the height attained in the previous jump. The process repeats and finally the monkey reaches the top of the pole. Write a program to input height of the pole. Calculate and display the number of attempts the monkey makes to reach the top of the pole.
Write a menu driven program to accept a number from the user and check whether it is a Prime number or an Automorphic number.
(a) Prime number: (A number is said to be prime, if it is only divisible by 1 and itself)
Example: 3,5,7,11
(b) Automorphic number: (Automorphic number is the number which is contained in the last digit(s) of its square.)
Example: 25 is an Automorphic number as its square is 625 and 25 is present as the last two digits.
Write a program to input Principal (p), Rate (r) and Time (t). Calculate and display the amount, which is compounded annually for each year by using the formula:
Simple Interest:
(si) = (prt) / 100
p = p + si
[Hint: The amount after each year is the Principal for the next year]
Write a menu driven class to accept a number from the user and check whether it is a Palindrome or a Perfect number.
(a) Palindrome number: (A number is a Palindrome which when read in reverse order is same as in the right order)
Example: 11, 101, 151 etc.
(b) Perfect number: (A number is called Perfect if it is equal to the sum of its factors other than the number itself.)
Example: 6 = 1 + 2 + 3