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Top 5 Best Free Courses to learn JDBC Java Programmers in 2021 - Best of Lot

Hello guys, If you are a Java programmer and looking for some free and best JDBC courses to start learning database access in Java, then you have come to the right place. In this article, I am going to share some of the free and paid online JDBC (Java Database Connectivity) courses from popular sites like Udemy and Pluralsight to give you a head-start in your long journey of writing real-world Java application which interacts with the database. Since Data is the utmost important part of any Java application, it's imperative to have a good knowledge of how to interact with the Database from Java application, and JDBC is the first step in that direction.

Top 5 Free Servlet, JSP, Java FX, and JDBC Courses for Java Web Developers in 2021

If you are a Java developer working on a Java JEE projects like a Java Web application running on Tomcat or Glassfish, or you want to get into that by learning server-side technologies like Servlet, JSP, and JDBC, then you have come to the right place. In this article, I will share some free online courses to learn Servlet, JSP, and JDBC at your own pace. If you want to become a rockstar Java web developer, then you must have a good understanding of these essential web technologies before you learn frameworks like Spring and Hibernate. These frameworks work on top of these basic technologies, and if you don't know them, then you would often struggle to debug and troubleshoot problems in the real world.

How to Remove Duplicates from ArrayList in Java [Example]

ArrayList is the most popular implementation of the List interface from Java's Collection framework, but it allows duplicates. Though there is another collection called Set which is primarily designed to store unique elements, there are situations when you receive a List like ArrayList in your code and you need to ensure that it doesn't contain any duplicate before processing. Since with ArrayList you cannot guarantee uniqueness, there is no other choice but to remove repeated elements from ArrayList. 

Top 5 Free Bash and Shell Scripting in Linux for Beginners in 2021 - Best of Lot

Hello guys, the importance of Linux is well known but many programmers don't know how to write shell scripts to make most of it.  Some of them even not familiar with various Linux shells like bash, csh, or ksh, which further limits their ability. If you don't know, bash is a UNIX shell and command language, which is also a default login shell for many Linux systems and Mac OS. It provides the ability to write scripts to do things programmatically.  Shell scripting is an important skill to become an efficient developer or programmer. It allows you to automate trivial tasks that otherwise take away your valuable time. It also allows you to do things quickly.

5 Free Oracle and Microsoft SQL Server Online Courses [2021] - Best of lot

If you are an application developer, like someone developing a server-side application using Java or .NET or any other programming language which uses a database like Oracle and Microsoft SQL Server or a junior DBA, then you must learn these database technologies to effectively work in your Job. Even though your organization might have DBAs or Database Administrators to help you with the database, more often than not, it's application developers who end up writing SQL scripts to create data, upload data, query data, and writing complex stored procedures and triggers to implement application functionalities. DBAs job mostly does database installation, access control, security, and other database admin stuff.

Top 10 Data Science and Machine Learning Courses, Certifications in 2021 - Best of Lot

If you work in the technology field today like you are a programmer or software engineer, then I am sure you have heard about terms like Data Science, Machine Learning, Deep Learning, Artificial Intelligence, etc. They are the latest technologies that are impacting every single sector, just like IT does it when it comes the first time. It doesn't matter if you are working for a bank or insurance sector, airspace, or defense, all fields were impacted by IT, and in the near future, they will be impacted by machine learning and artificial intelligence. That's why it's important to learn Data Science and Machine learning in 2021 and if you are looking for some good resources like courses and certification then you have come to the right place.