My Question on StackOverflow - "Error:java: invalid source release: 11"

-


https://stackoverflow.com/questions/56085797/i-cant-identify-the-errorjava-invalid-source-release-11-please-help-me

Comments

Post a Comment

Popular posts from this blog

Mongo DB - NoSQL

-
Image
What is Mongo DB MongoDB is an open-source document database and leading NoSQL database. MongoDB is written in C++. MongoDB is a  cross-platform ,  document-oriented  database that provides,  high performance, high availability, and easy scalability . MongoDB works on the concept of collection and document. Database The database is a physical container for collections Collection A collection is a group of MongoDB documents. It is the equivalent of an RDBMS table Document A document is a set of key-value pairs. Documents have a dynamic schema. Documents in the same collection do not need to have the same set of fields or structure, and common fields in a collection's documents may hold different types of data. _id Field of a Document _id is a 12 bytes hexadecimal number which assures the uniqueness of every document. You can provide _id while inserting the document. If you don’t provide then MongoDB provides a unique id for every document. These ...
Read more

How Javascript is working-Mechanisms

-
Image
     Contents   Create a JavaScript variable Create a JavaScript function Assign JavaScript function as a variable Create a JSON Object Understand about the scope and get the idea about the “this” keyword The difference between bind and call How to create a JavaScript class and way of using the prototype     What is closure and behavior of closure Create a JavaScript variable There are no variable types like int, String in JavaScript. The way that creating JavaScript variables is given below. There are three keywords used when declaring a variable in Javascript, namely, var , let and const . var age=15; let age=15; cons age=15; var Method This was the only way to declare a variable before ES6. Here you can declare the same variables more than one time and can be updated. var myFriend = 'Kevin' ; var myFriend = 'Dayana' ; console . log ( myFriend ); // 'Dayana' If you declare variable inside ...
Read more

Creating a REACT component

-
Image
Every React app is built out of components You may have one single component in a simple app or a number of components in something more complex. Simple React components can just render a static (hardcoded) HTML markup can be dynamically rendered based on a locally saved JSON data can be nested into each other to create a more complex app layout can be rendered based on a data  provided by a parent component  The simplest React component just renders a bit of HTML markup Complex React components A more complex React components might have more logic inside of them, but at the end of the day, they are also just rendering a bit of HTML markup on the page. can include advanced logic that defines what the returned HTML will look like can contain its own state  can contain lifecycle methods  can include custom methods that will be executed when a user clicks on a button for example Stateless components vs Class components Simple (stateless)...
Read more