BBharathincodesimplify.hashnode.dev·Jan 23, 2021 · 4 min readMost Useful Ubuntu Commands1. Open Terminal : To open a terminal use below key board shortcut ctrl + alt + T 2. Clear Terminal : To clear terminal use below command clear 3. Files / Folders: a. create a file touch filename b. create a folder mkdir foldername c. list f...00
BBharathincodesimplify.hashnode.dev·Jan 22, 2021 · 3 min readJava Concurrent HashMapIntroduction The ConcurrentHashMap class provides a concurrent version of the standard HashMap. So its functionality is similar to a HashMap, except that it has internally maintained concurrency. Depending upon the level of concurrency required the c...01C