What's wrong with my program ? I just wanted to create a jackenpoy program against computer and the first to get 5 points win [closed]

package JackEnPoy;
import javax.swing.*;
import java.lang.Math;

public class JackEnPoy {
    class Main
    {
        static JFrame f;
        static String user;
        static int num;
        
        Main()
        {
            f = new JFrame();    
        }
        
        public static String input()
        {
            user = JOptionPane.showInputDialog(f, "Select from rock, paper, scissor (r/p/s): ");
            
            return user;
        }
        
        
        public static int computer()
        {
            int min=0, max=5;
            int range = max - min + 1;
            
            num = (int)(Math.random()*range) + min;
            
            
                if(num!=0 && num!=2 && num!=5)
                {
                    while(num!=0 && num!=2 && num!=5)
                    {
                        num = (int)(Math.random()*range) + min;
                    }
                }
            
            return num;
        }
        
        public static void main(String[] args)
        {
            int comp_win = 0, user_win = 0;
            
            do
            {
            String comp="";
            
            int n = computer();
            
            if(n == 0)
                comp = "r";
            else if(n==2)
                comp = "s";
            else if(n==5)
                comp = "p";
                
                
            String user = input();
            
            if(comp=="r" && user=="s")
                comp_win++;
            else if(user=="r" && comp=="s")
                user_win++;
                
            if(comp=="s" && user=="p")
                comp_win++;
            else if(user=="s" && comp=="p")
                user_win++;
                
            if(comp=="p" && user=="r")
                comp_win++;
            else if(user=="p" && comp=="r")
                user_win++;
            
            String msg;
            if(comp_win > user_win)
                msg = "Computer won this round";
            else
                msg = "User won this round";
            
            JOptionPane.showMessageDialog(f, msg);
            
            }while(comp_win<5 || user_win<5);
            
            String winner;
            if(comp_win > user_win)
                winner = "Computer won this game";
            else
                winner = "User won this game";
            
            JOptionPane.showMessageDialog(f, winner);
            
        }
    }   
}

I just wanted to create a jackenpoy program against computer and the first to get 5 points win.

Whenever I enter my choice it only shows user won this round. I tried to enter my choice multiple times and even if it shows user won this round for the 5th time, it will only go back to ask user input