Collections: shuffle(List < ? > list,Random rnd) : Collections « java.util « Java by API

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2. java.util
3. Collections

Collections: shuffle(List < ? > list,Random rnd)

  
/**
 *Output: 
List sorted in reverse: 20 8 -8 -20 
List shuffled: 20 -20 -8 8 
Minimum: -20
Maximum: 20 
  */

import java.util.Collections;
import java.util.Comparator;
import java.util.LinkedList;
  
public class MainClass {
  public static void main(String args[]) {  
    LinkedList<Integer> ll = new LinkedList<Integer>();  
    ll.add(-8);  
    ll.add(20);  
    ll.add(-20);  
    ll.add(8);  

    Comparator<Integer> r = Collections.reverseOrder();  

    Collections.sort(ll, r);  
  
    System.out.print("List sorted in reverse: ");      
    for(int i : ll){
      System.out.print(i+ " ");
    } 
        
    System.out.println();  
  
    Collections.shuffle(ll);  
  
    System.out.print("List shuffled: ");      
    for(int i : ll) 
      System.out.print(i + " ");  
 
    System.out.println();  
  
    System.out.println("Minimum: " + Collections.min(ll));      
    System.out.println("Maximum: " + Collections.max(ll));          
  }  
}

           
         
    
  

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