Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;

public class Main {
    public static void main(String[] args) {
        ConcurrentMap<String, String> cMap = new ConcurrentHashMap<>();
        cMap.put("A", "A");

        System.out.println("Concurrent Map: " + cMap);

        System.out.println(cMap.putIfAbsent("A", "1"));
        System.out.println(cMap.putIfAbsent("B", "B"));
        System.out.println(cMap.remove("A", "B"));
        System.out.println(cMap.replace("A", "B"));

        System.out.println("Concurrent Map: " + cMap);
    }
}