A degree in computer science or related field is not always necessary but networking, building a portfolio and actively seeking internships, junior developer positions or consulting can help to start and advance a career as a backend developer.
Also, look at the backend developer roadmap above to get an idea about the landscape and see what else you are missing. While you are learning all the items mentioned above, don't forget to learn about Git and GitHub as well.Īfter following all the instructions above, you can start applying for the entry level backend developer jobs. Learn how to build a simple RESTful API and implement simple Authentication/Authorization into it. Optionally, you can pick up and learn a web framework for the language of your choice as well. PostgreSQL and learn how to run simple CRUD operations. Learn the basics of some relational database e.g. Once you have got the basic to intermediate understanding of the language, learn about the package manager for that language and learn how to install and use external packages into your applications. Is a Map with map write operations, for example, you can add a new key-value pair or update the value associated with the given key.If you are a complete beginner who is just getting started, you can start by learning a backend programming language such as Python, Ruby, Java, Go etc. Two sets are equal if they have the same size, and for each element of a set fun main() ") Store unique element -> can contain only one null However, HashSet requires less memory to store the same number of elements. Says nothing about the elements order, so calling such functions on it returns unpredictable results. Val people2 = listOf(Person("Adam", 20), Person("Bob", 31), bob) Val people = listOf(Person("Adam", 20), bob, bob) class Person(var name:String, var age:Int) Two lists are considered equal if they have the same sizes and structurally equal elements at the same positions. In Kotlin, the default implementation of List is ArrayList
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