6 reasons why Java is more secure than other languages

Jan 10, 2019 - 3 min read
Andin Bicknell
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The Java programming language is gaining popularity due to its speed, security, and reliability. The demand for Java developers has also been increasing as more businesses make use of digital technology. Java’s unmatched security capabilities are the main reason so many companies are using it.

With features like private transmission, automatic memory management and corruption prevention, Java is a great choice for anyone worried about security. Today, we’ll walk through the top 6 security features offered by Java. By the end, you’ll understand why so many trust Java’s security over any other language.

These are the features we’ll cover today:



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1. Internal data management

Programming languages, like C and C++, use pointer values to manage application memory and safeguard data. Unfortunately, pointers can be used by hackers to access confidential information. Pointers cannot verify users that request data. As a result, pointers will grant memory access to a hacker without first checking their authorization.

Java, on the other hand, uses its own internal memory and data management systems to block any unauthorized data access. These systems are much more difficult to infiltrate.


2. Automated memory management

Java owns and controls its internal memory and data management systems. That means that developers don’t need to worry about manually handling any memory concerns. Think of garbage collection, for example.

Java management mechanisms automatically free the memories whenever the need arises, so you don’t have to do it yourself. This automated system also reduces your overhead programming costs, makes your job easier, and allows you to focus on the finer details of your application development.


3. Error Detection and Handling

Even small errors can lead to a crash if left unchecked for too long. Thankfully, Java has an error checker built into the compiler.

Java compiler also suggests changes to the program that will rid it of errors and improve its authenticity. The developer can then choose to apply these suggestions or not.

This minimizes the ability for unauthorized modifications because the programmer must approve each change before it takes effect.


4. Secure garbage collection

Java has a garbage collection mechanism that automatically frees up memory. The mechanism also helps programmers to recover unused memory easier and more securely. This system provides a transparent allocation protocol that guarantees the integrity of every program execution process.

Close and transparent management of memory makes it difficult for malware to use resources.


5. Private keywords

Using public keywords can result in accidentally overriding data. Developers can keep their data safe with Java’s private and specific keywords. Private keywords allow a programmer to hide vital information during program execution without worrying about other outside data overriding it.


6. Foolproof data type checking

Java Compiler also checks every variable in a program threats that would affect unboxing. Traditional classes like Integer can be easily infiltrated. In Java, data entry in every variable is wrapped in a secure class.

Wrapping each variable allows Java an additional layer of protection against hostile programs.


Wrapping up

Today we learned the 6 functions that make Java the most secure programming language. As cybersecurity becomes more of a concern, your Java skills will only become more valuable to employers.

Happy learning!


Continue reading about Java and Security


WRITTEN BYAndin Bicknell

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