Here are mentioned 5 new skills you should learn in 2020

1) Python

Past : Python language developed by Guido van Rossum. It was first released in 1991.

 

Pros:

  • Supports multiple systems and platforms
  • Object-Oriented Programming (OOPs) driven.
  • Helps to improve Programmer’s Productivity
  • Allows you to scale even the most complex applications with ease
  • Extensive Support Libraries

Cons:

  • Note ideal for Mobile Computing
  • Python’s database access layer is bit underdeveloped and primitive.

Application: Web and Internet Development, Scientific and Numeric applications, Desktop GUIs, Business applications. It is widely used in AI and Machine Learning space.

Learning Difficulty: Easy

 

2) Java

Past : James Gosling primarily designed Java at Sun Microsystems in the year 1996

Pro.

  • Object- Oriented language
  • Java offers APIs for different activities like Database connection, networking, XML parsing, utilities, etc.
  • Powerful open source Rapid Development tools
  • A large number of open source libraries

Cons.

  • Memory management in Java is quite expensive
  • The absence of templates can limit you to create high-quality data structures.

Application: Java mostly used for developing Android apps, web apps, and Big data.

Learning difficulty: Learning Java is simple and easy.

 

3) Javascript

Past : JavaScript was earlier called LiveScript when it first shipped in with Netscape Navigator 2.0 in September 1995. Later, it was renamed as a JavaScript.

Pros:

  • Client-side JavaScript is very fast as it can be run quickly in the client-side browser
  • JavaScript is relatively simple to learn.
  • It can work smoothly with other languages and can be used in a huge variety of applications.
  • Grease monkey support to write snippets of JavaScript which can execute on specific web pages

Cons:

  • JavaScript only allows single inheritance, so multiple inheritances are not possible
  • No copy or equal method is available in JavaScript.
  • JavaScript interpreted differently by different browsers.

Applications: JavaScript usage include web/mobile app development, game development, and desktop app development.

Learning Difficulty: Easy

 

4) PHP

Past :  Rasmus Lerdorf created PHP in 1994

Pros:

  • Running with PHP is simple
  • Functional and Object-Oriented Programming
  • Large Open Source Software Community
  • A reasonably good system of automation tools available for testing and deploying

Cons:

  • Error handling facility is poor as PHP lacks debugging tool
  • PHP is not secure as it is one of the open source languages
  • Developing a website with PHP Web Development is slower than other programming languages.

Usage applications: Web Applications, Content Management Systems, eCommerce Applications

Learning Difficulty: Easy

 

5) SQL

Past : SQL was developed at IBM by Donald D. Chamberlin and Raymond F. Boyce. This language was made available publicly in 1979.

Pros:

  • Powerful query language
  • Optimized for large numbers of table rows
  • Fast for searching and querying of data
  • High availability and consistency of data
  • Fast for retrieving data from multiple tables

Cons:

  • Difficult to convert data from Objects into database tables
  • It can only run on the single server, so increasing speed means upgrading hardware.
  • As SQL databases run on a single server so in case if the server stop working, then the database shouldn’t be accessed

Applications: Used in Any Database

Learning Difficulty: Easy

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