Map Interface And HashMap Examples | 2022 | Java Part -93

YouTube Channel - https://www.youtube.com/c/CodeWithNaval Hi I am Navalchand Rajupt . Welcome to our YouTube channel CodeWithNaval. ➤𝗧𝗢𝗣𝗜𝗖𝗦 𝗖𝗢𝗩𝗘𝗥𝗘𝗗 ________________________________________________________________________ Map interface Map Interface is not child interface of collection. A map contains values on the basis of key, i.e. key and value pair. Each key and value pair is known as an entry. A Map contains unique keys and it can content duplicate value. Map allow one null key and multiple null value. Map is useful if you have to search, update or delete elements on the basis of a key. Map interface Provide all common method those used in all child classes. Map Child Interfaces[SortedMap, NavigableMap] Classes [HashMap,WeakHashMap,IdentityHashMap,LinkedHashMap,TreeMap] ______________________________________________ 👉𝐅𝗢𝗟𝗟𝗢𝗪 𝗠𝗘 𝗢𝗡 𝗜𝗡𝗦𝗧𝗔𝗚𝗥𝗔𝗠: https://www.instagram.com/codewithnaval/?hl=en ______________________________________________________ ➤𝐉𝐚𝐯𝐚 𝐅𝐫𝐞𝐞 𝐂𝐨𝐮𝐫𝐬𝐞 𝐀𝐥𝐥 𝐕𝐢𝐝𝐞𝐨𝐬 1. 𝑾𝒉𝒂𝒕 𝒘𝒆 𝒍𝒆𝒂𝒓𝒏 𝒊𝒏 𝒕𝒉𝒊𝒔 𝑱𝒂𝒗𝒂 𝑪𝒐𝒖𝒓𝒔𝒆. :- ___________ ➤𝐇𝐚𝐬𝐡𝐭𝐚𝐠 #codewithnaval #java #javafreecourse #naval #programmingcourse #javaplaylist #javainstall #javabycodewithnaval #javabycodewithnavalpart #javatutorial #corejavatutorial ______________________________________________________ ____________________ ➤𝗖𝗛𝗔𝗡𝗡𝗘𝗟 𝗧𝗔𝗚𝗦 ►codewithnaval ►codebynaval ►codder ►naval ____________________ ➤𝗔𝗕𝗢𝗨𝗧 Please Subscribe & Press The Bell Icon To Get Updates On Upcoming Videos. Here You Will Learn Programming Language, Interview Preparation, Challenging Task and many more ____________________ ➤𝐂𝐨𝐧𝐭𝐚𝐜𝐭 𝐔𝐬- [email protected] ➤𝗧𝗵𝗮𝗻𝗸𝘀 𝗙𝗼𝗿 𝗪𝗮𝘁𝗰𝗵𝗶𝗻𝗴😊