Write a function to calculate the product of 2 numbers.
import java.util.*;
public class Functions {
public static int calculateProduct(int a, int b) {
return a * b;
}
public static void main(String args[]) {
Scanner sc = new Scanner(System.in);
int a = sc.nextInt();
int b = sc.nextInt();
System.out.println(calculateProduct(a, b));
}
}
Two numbers are entered by the user, x and n. Write a function to find the value of one number raised to the power of another i.e. x^n.
Input a string from the user. Create a new string called ‘result’ in which you will replace the letter ‘e’ in the original string with letter ‘i’.
Example :
original = “eabcdef’ ; result = “iabcdif”
Original = “xyz” ; result = “xyz”
Input an email from the user. You have to create a username from the email by deleting the part that comes after ‘@’. Display that username to the user.
Example :
email = “mejona@gmail.com” ; username = “mejona”
email = “helloWorld123@gmail.com”; username = “helloWorld123”