Essential Data Structures Java Programmer should Learn in 2022

There is a good reason why data structures and algorithms are used so widely. Algorithms are tried-and-true computational formulas for achieving specific goals, whereas data structures help us keep data and offer affordances for efficiently manipulating it. Let me explain how everything operates.

Human thought may appear adaptable and unrestricted, but in reality, humans have a number of biological constraints. For instance, the famed magical number 7 tells us that we can only remember roughly 7 things in our short-term memory.

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Introduction to Algorithms

Spring Framework

Spring is without a doubt king of the Java stack. It is a requirement, not an option, for a Java programmer. Recently, Spring Boot has also become widely used, but Spring is still required as a minimal minimum.

It not only offers dependency injection, which makes it simpler to write testable code, but also many libraries and utility classes, such as JdbcTemplate, which improve Java programming on a daily basis.

The greatest time to study Spring Framework is right now, so if you need resources, don't worry if you don't.

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Spring Boot

One of the top 5 Java frameworks you should learn is Spring Boot, and it has been on my list for a while. Similar to how the Spring framework makes it easier to test Java programmes by minimising boilerplate code and eliminating repetitive code,

The majority of the necessary components are automatically configured by Spring Boot, making it easier to use the Spring framework and reducing the time required to start your Java project.

REST

Since almost all modern online applications expose APIs or use REST API, this is another ability that Java programmers can leverage. REST is gradually being replaced by GraphQL, but in the Java world, REST still reigns supreme.

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SQL

Another essential ability for any programmer—not just Java programmers—is this one. You simply cannot function without SQL because it is the most important tool for interacting with and analysing data. Data is the real king of any programmer.

Cloud Computing

Cloud computing is gradually eclipsing all other forms of technology. The next generation of Java apps will be created for clouds as more businesses migrate to the cloud and major cloud platforms like AWS, Google Cloud Platform, and Microsoft Azure develop and mature.

Maven

The most important Java tool I've ever learnt is Maven. I am familiar with how difficult it was to gather and manage dependencies for a Java application because I came from the ANT and Batch script era before Maven.

Maven not only fixed the dependency management issue, but it also gives Java projects a uniform structure, greatly reducing the learning curve for novice developers.

AWS

Because it is currently the most widely used cloud platform, Amazon Web Service has established itself as a competence. People with experience using AWS technologies and settings like EC2, S3, and Virtual Private Cloud are in high demand.

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