Don\'t know how am suppose to expand this program in to developa new program tha

Question

Don't know how am suppose to expand this program in to developa new program that computes both the GCD and the LCM
import java.util.Scanner; import java.io.*;
public class Euclid {
   public static int euclidGCD(int a, intb)    {    int rem= a %b;       while(rem !=0)    {    a=b;    b= rem;    rem =a%b;    }       return b;          }    public static void main(String[]args)
   {
   // System.out.println("Welcome to my first Booleanprogram!");
     System.out.println("This program will ask you to enter 2integers and calcualtes the GCD of those two numbers");
   int a, b;
   Scannerkeyboard = new Scanner(System.in);
     System.out.println("Please enter your first number,represented by 'a'; ");
   a=keyboard.nextInt();
   Scannerkeyboard1 = new Scanner(System.in);
     System.out.println("Please enter your second number,represented by 'b'; ");
   b=keyboard1.nextInt();
   if(a>b)      System.out.println("GCD of " + a +", " +b +" is: "+Euclid.euclidGCD(a,b));    else      System.out.println("GCD of " + a +", " +b +" is: "+Euclid.euclidGCD(b, a));               
} }
Don't know how am suppose to expand this program in to developa new program that computes both the GCD and the LCM
import java.util.Scanner; import java.io.*;
public class Euclid {
   public static int euclidGCD(int a, intb)    {    int rem= a %b;       while(rem !=0)    {    a=b;    b= rem;    rem =a%b;    }       return b;          }    public static void main(String[]args)
   {
   // System.out.println("Welcome to my first Booleanprogram!");
     System.out.println("This program will ask you to enter 2integers and calcualtes the GCD of those two numbers");
   int a, b;
   Scannerkeyboard = new Scanner(System.in);
     System.out.println("Please enter your first number,represented by 'a'; ");
   a=keyboard.nextInt();
   Scannerkeyboard1 = new Scanner(System.in);
     System.out.println("Please enter your second number,represented by 'b'; ");
   b=keyboard1.nextInt();
   if(a>b)      System.out.println("GCD of " + a +", " +b +" is: "+Euclid.euclidGCD(a,b));    else      System.out.println("GCD of " + a +", " +b +" is: "+Euclid.euclidGCD(b, a));               
} }

Explanation / Answer

please rate - thanks I've highlighted the changes import java.util.Scanner; import java.io.*; public class Euclid {     public static int euclidGCD(int a, int b)     {         int rem= a %b;                while(rem !=0)         {            a=b;            b= rem;            rem = a%b;         }                return b;                   }       public static void main(String[]args)       {           // System.out.println("Welcome to my first Boolean program!");            System.out.println("This program will ask you to enter 2 integersand calcualtes the GCD of those two numbers");            int a,b,GCD;            Scanner keyboard = new Scanner(System.in);            System.out.println("Please enter your first number, represented by'a'; ");            a =keyboard.nextInt();            Scanner keyboard1 = new Scanner(System.in);            System.out.println("Please enter your second number, represented by'b'; ");            b =keyboard1.nextInt();         if(a>b)            GCD= Euclid.euclidGCD(a,b);         else            GCD=Euclid.euclidGCD(b, a);                        System.out.println("GCD of " + a +", " +b +" is: "+GCD );                     System.out.println("LCMof " + a +", " +b +" is: "+(a*b)/GCD);         } }

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