package Codes;

import java.util.ArrayList;

import java.util.Collections;

import java.util.List;

import java.util.NavigableSet;

import java.util.TreeSet;

import java.util.concurrent.CopyOnWriteArrayList;

public class ConcurrentCollections {

public static void main(String[] args) {

// 1.6

CopyOnWriteArrayList<Integer> x = new CopyOnWriteArrayList<>();

// ArrayList<Integer> x = new ArrayList<>();

x.add(10);

x.add(20);

x.add(30);

for (int i : x) {

System.out.println(i);

x.add(9000);

}

System.out.println("After Loop " + x);

System.out.println("NAV Example");

NavigableSet<Integer> nav = new TreeSet<Integer>();

nav.add(100);

nav.add(10);

nav.add(200);

nav.add(20);

nav.add(21);

nav.add(22);

nav.add(30);

System.out.println(nav.ceiling(23));

System.out.println(nav.floor(23));

System.out.println(nav.first());

System.out.println(nav.last());

System.out.println(nav.higher(30));

System.out.println(nav.lower(20));

ArrayList<Integer> list = new ArrayList<>();

list.add(10);

List list2 = Collections.synchronizedList(list);

}

}