Wrapper Class
Java wrapper classes provide a convenient and efficient way to work with primitive data types. They offer advantages such as encapsulation, type conversion, autoboxing and unboxing, utility methods, thread safety, and immutability.
Git
Git is distributed version control system which is free and open source software (FOSS). It is a tool to track the changes in the code. We save an initial version of code in the git and then update over the time. We can look back all the changes done so far. Github is the website to host the repositories online. Once we have made changes local repository on the computer and ready to put in git, we need to tell git to track them through add command, save file through commit command and then upload the changes to remote repository using push command. Thus we can keep track the version history and also isolate the changes. SSH (Secure SHell protocol is used for authentication and it is secure and convenient way to log into remote servers) keys need to be generated which consists of pair of keys, private and public keys. Public key is shared with the world via GitHub while the private key is kept secured on one's computer. When we try to connect with GitHub, SSH client provides priv...
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