Compile Java File: LinkedTransferQueueSizeExample2

import java.util.*;  
import java.util.concurrent.LinkedTransferQueue;  
class Patients{  
    String Pname;  
    public Patients(String pname) {  
        Pname = pname;  
    }  
    public String toString(){  
        return this.Pname;  
    }  
}  
public class LinkedTransferQueueSizeExample2 {  
    static int i=1;  
    public static void main(String[] args) {  
    Patients patient1 = new Patients("John");  
    Patients patient2 = new Patients("Harry");  
    Patients patient3 = new Patients("Peter");  
    Patients patient4 = new Patients("Marry");  
    Patients patient5 = new Patients("Jack");  
    Patients patient6 = new Patients("Lucene");  
    LinkedTransferQueue<Patients> queue = new LinkedTransferQueue<Patients>();  
        List<Patients> list = new ArrayList<Patients>();  
        queue.add(patient1);  
        queue.add(patient2);  
        queue.add(patient3);  
        queue.add(patient4);  
        queue.add(patient5);  
        queue.add(patient6);  
        // returns the total size of the queue  
        System.out.println("Total Patients = "+queue.size());  
        for(Patients xyz : queue){  
            System.out.println(i++ +"."+xyz);  
        }  
        list.add(patient1);  
        list.add(patient2);  
        list.add(patient3);  
        list.add(patient4);  
        i=1;  
        System.out.println("Patients recovered and discharged : "+list);  
        queue.removeAll(list);  
        System.out.println("Patients left in the hospital = "+queue.size());  
        for (Patients xyz : queue) {  
            System.out.println(i++ +"."+xyz);  
        }  
    }  
}

Output

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