import java.util.*;
import java.lang.*;
import java.io.*;
 
class MyBasicHashMap {
 
    public static void main(String a[]){
        HashMap<String, String> hm = new HashMap<String, String>();
        hm.put("first", "FIRST INSERTED");
        hm.put("second", "SECOND INSERTED");
        hm.put("third","THIRD INSERTED");
        System.out.println(hm);
        System.out.println("Value of second: "+hm.get("second"));
        System.out.println("Is HashMap empty? "+hm.isEmpty());
        hm.remove("third");
        System.out.println(hm);
        System.out.println("Size of the HashMap: "+hm.size());
    }
}

CgppbXBvcnQgamF2YS51dGlsLio7CmltcG9ydCBqYXZhLmxhbmcuKjsKaW1wb3J0IGphdmEuaW8uKjsKCmNsYXNzIE15QmFzaWNIYXNoTWFwIHsKIAogICAgcHVibGljIHN0YXRpYyB2b2lkIG1haW4oU3RyaW5nIGFbXSl7CiAgICAgICAgSGFzaE1hcDxTdHJpbmcsIFN0cmluZz4gaG0gPSBuZXcgSGFzaE1hcDxTdHJpbmcsIFN0cmluZz4oKTsKICAgICAgICBobS5wdXQoImZpcnN0IiwgIkZJUlNUIElOU0VSVEVEIik7CiAgICAgICAgaG0ucHV0KCJzZWNvbmQiLCAiU0VDT05EIElOU0VSVEVEIik7CiAgICAgICAgaG0ucHV0KCJ0aGlyZCIsIlRISVJEIElOU0VSVEVEIik7CiAgICAgICAgU3lzdGVtLm91dC5wcmludGxuKGhtKTsKICAgICAgICBTeXN0ZW0ub3V0LnByaW50bG4oIlZhbHVlIG9mIHNlY29uZDogIitobS5nZXQoInNlY29uZCIpKTsKICAgICAgICBTeXN0ZW0ub3V0LnByaW50bG4oIklzIEhhc2hNYXAgZW1wdHk/ICIraG0uaXNFbXB0eSgpKTsKICAgICAgICBobS5yZW1vdmUoInRoaXJkIik7CiAgICAgICAgU3lzdGVtLm91dC5wcmludGxuKGhtKTsKICAgICAgICBTeXN0ZW0ub3V0LnByaW50bG4oIlNpemUgb2YgdGhlIEhhc2hNYXA6ICIraG0uc2l6ZSgpKTsKICAgIH0KfQ==