Update Exercise_**2.6.java

Author: hmjatt

Chapter_2/Exercise_**2.6.java

@@ -1 +1,39 @@
-//make changes
+
+/**
+ * (Multiply the digits in an integer) Write a program that reads an integer between 0 and 1000 and multiplies 
+ * all the digits in the integer. For example, if an integer is 932, the multiplication of all its digits is 54.
+ * Hint: Use the % operator to extract digits, and use the / operator to remove the extracted digit. 
+ * For instance, 932 % 10 = 2 and 932 / 10 = 93.
+ *
+ * Author : Harmeet Matharoo
+ * Date : May 04 2021
+ */
+import java.util.Scanner;
+
+public class Multiplier {
+ public static void main(String[] args) {
+ 
+ Scanner input = new Scanner(System.in);
+ 
+ //Enter a number between 0 and 1000: asks for input
+ System.out.print("Enter a number between 0 and 1000: ");
+ int number = input.nextInt();
+ 
+ //The multiplication of all digits in "input" is: calculate it first
+ 
+ // extracts last digit of input
+ int num1 = number % 10;
+ // remove the extracted digit
+ int rem1 = number / 10;
+ //extract the last digit(with whats left)
+ int num2 = rem1 % 10;
+ //remove the extracted digit
+ int rem2 = rem1 / 10;
+ //calculate the multiplication
+ int multiplication = num1 * num2 * rem2;
+ 
+ //print it out
+ System.out.println("The multiplication of all digits in " + number + " is : " + multiplication);
+ 
+ }
+}