Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.UUID;
import java.util.concurrent.ConcurrentHashMap;

public class Main {

    public static void main(final String[] args) {
        ConcurrentHashMap<Integer, UUID> concurrentHashMap = new ConcurrentHashMap<>();

        for (int i = 0; i < 100; i++) {
            concurrentHashMap.put(i, UUID.randomUUID());
        }

        int threshold = 1;

        concurrentHashMap.forEachValue(threshold, System.out::println);

        concurrentHashMap.forEach((id, uuid) -> {
            if (id % 10 == 0) {
                System.out.println(String.format("%s: %s", id, uuid));
            }
        });

        String searchResult = concurrentHashMap.search(threshold, (id, uuid) -> {
            if (String.valueOf(uuid).contains(String.valueOf(id))) {
                return new String(id + ":" + uuid);
            }
            return null;
        });

        System.out.println(searchResult);
    }

}