What's the wrong in the code

package myproject;

import java.util.*;
import java.lang.*;

class Met6{
	
	int catid;
	String catname;
	
	public int getCatId() {
		return catid;
	}
	public String getCatName() {
		return catname;
	}
	
	public void setCatId(int catid) {
		this.catid=catid;
	}
	public void setCatName(String catname) {
		this.catname=catname;
	}
}

class Meth6{
	
	int id;
	String name;
	double price;
	Met6 mm=new Met6();

	
	public int getId() {
		return id;
	}
	public String getName() {
		return name;
	}
	public double getPrice() {
		return price;
	}
	public Met6 getMm() {
		return mm;
	}

	public void setId(int id) {
		this.id=id;
	}
	public void setName(String name) {
		this.name=name;
	}
	public void setPrice(double Price) {
		this.price=price;
	}
	public void setMm(Met6 mm) {
		this.mm=mm;
	}
	
	public void applyCoupon() {
		
		if(mm.getCatName().equals("elec"))
			setPrice(price*0.90);
		if(mm.getCatName().equals("furn"))
			setPrice(price*0.95);
		if(mm.getCatName().equals("cosm"))
			setPrice(price*0.98);
		else
			setPrice(price*1);
		
	}
}

public class Methods6 {

	public static void main(String[] args) {
		
		Scanner sc = new Scanner(System.in);
		System.out.println("Enter the product id ");
		int id = sc.nextInt();
		System.out.println("Enter the product Name ");
		String name = sc.next();
		System.out.println("Enter the price");
		double price = sc.nextDouble();
		System.out.println("Enter the category id ");
		int catid = sc.nextInt();
		System.out.println("Enter the category name ");
		String catname = sc.next();
		
		Meth6 p = new Meth6();
		Met6 c = new Met6();
		p.setId(id);
		p.setName(name);
		p.setPrice(price);
		c.setCatId(catid);
		c.setCatName(catname);
		p.setMm(c);
		p.applyCoupon();
		
		System.out.println("you need to pay"+String.format("%.2f",p.getPrice())+ "for the" +c.getCatName()+ "-" +p.getName());

	}

}