secret santa logical class.txt

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Scanner;
import java.util.TreeMap;

public class LogicalClass {
        //results are saved in map 
	static Map<Integer,Integer> mappings=new TreeMap<Integer,Integer>();
	static List<Integer> listNumbers1=new ArrayList<Integer>();
	static List<Integer> listNumbers2=new ArrayList<Integer>();
	public static void match(){
	       //taking input from users.
		System.out.println("enter the number of players");
	Scanner sc=new Scanner(System.in);
	int players=sc.nextInt();
		for(int i=0;i<players;i++){
		listNumbers.add(i+1);
		listNumbe.add(i+1);
	} 
	// shuffle mehtod using to randomize the elements in list.
	Collections.shuffle(listNumbers);
	Collections.shuffle(listNumbe);
	for(int i=0;i<players;i++){
		mappings.put(listNumbers.get(i),listNumbe.get((players-1)-i));
	}
	for(Map.Entry<Integer,Integer> entry : mappings.entrySet()) {
		 System.out.println(entry.getKey()+"should be secret santa for "+entry.getValue());
	}
	sc.close();
	}
	
	
	
}