To be clear, the list of mainframe programming languages presented below is not intended to be a quantitatively conclusive ranking of the most widely used mainframe coding languages. I’m not aware of anyone compiling statistics on the market share of different mainframe languages.

Let’s look at some of the best mainframe programming languages now that the disclaimer has been made.

COBOL

The mainframe industry’s traditional, tried-and-true application programming language is called COBOL, which stands for Common Business Oriented Language. It is one of the oldest programming languages still in use today, having been created in 1959. Others dislike COBOL and whine about go to statements being used and how lengthy the COBOL code is. However, some people view the latter characteristic as advantageous because it makes the code easier to comprehend. Regardless of what you may think about COBOL, it is still a commonly used programming language on mainframes today. It might not be covered in Computer Programming 101, but knowing it is essential if you want to write code for mainframes.

Java

Java is one language that you will probably learn in a computer-based programming course and can use on mainframes. Years after mainframes were invented, Java made its debut in the middle of the 1990s. And Java’s popularity was mostly fueled by its object-oriented design and ability to run on almost any operating system. When the original Java developers created a language that could generate apps for your mainframe just as well as it did for PCs and smartphones, you know they were concerned about inter-compatibility. Java is capable of doing that, which is one of the reasons it’s a popular programming language on z/OS platforms.

C

C is a programming language that was initially developed for Unix computers rather than mainframes. But nowadays, C supports almost anything, including z/OS mainframe settings. That’s advantageous for mainframe programmers. Because C was created as a hacky language for creating programs rapidly rather than elegantly, developing C code may feel like an ad hoc, seat-of-your-pants exercise; nonetheless, C code tends to be very fast and adaptable.

C++

You’ll adore C++, a programming language that potentially integrates the finest characteristics of C and Java, whether you like C but wish it were more ordered or like Java but wish its code were a bit less verbose. C++ is currently a well-liked programming language for z/OS, just as C and Java.

Assembler language

The majority of programmers do not consider writing assembly code to be enjoyable. However, it is occasionally necessary on mainframes, which is why Assembler is another crucial mainframe language to know. Compared to using a higher-level language, like COBOL, it allows you more control over your software.

REXX

Do you wish to write code that can be run without having to be compiled first? You should use REXX. On z/OS, it is the most popular interpreted language. This means that REXX code does not need to be initially compiled to execute on z/OS; although, if you want, you can choose to do so to hasten execution.

Any language that runs on Linux

It’s important to note that you can always add a Linux environment to your mainframe and use that environment to write in any language that Linux supports, which is essentially every language there is. This is useful if your z/OS mainframe does not already support your preferred programming language (yes, even COBOL, which you can build for Linux if you want).

So long as you don’t mind using a little Linux, there is a way for you to use Python, Perl, or other popular Linux languages on your mainframe.

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It has been a long journey, since the initiation of cloud computing in the industry. No matter with all the up-gradation and new evolved and technological advancement for the processes that take place, security still holds the top priority moderator of the rising cloud computing adoption. So it will be a wise decision to develop and build your cloud computing platform on a strong industrial-based power which provides agility, scalability, and a secure foundation.

“Shadow IT” is a crucial issue that many organizations are dealing with. When divisions within a business use cloud apps but the central IT staff is oblivious of what they’re undertaking, this is known as shadow IT. This would not function in a mainframe setting.

Migrating to the cloud is frequently promoted as a cost-cutting measure. Mainframes are frequently thought to be costly. Of fact, many consumers are unaware that mainframe systems require significantly fewer employees to run applications and services than non-mainframe platforms, resulting in significant cost savings. Only a portion of the savings goes into hardware and software. Only in the case of mainframes do all of these expenses appear on the same budget page.

Advantages Offered by Mainframe for Cloud Computing

For cloud computing, the mainframe services have various advantages. The following are some of the most important benefits to consider:

Scalability

For all the data warehouse, production processing, data analytics, and enterprise web applications mainframe is the perfect platform to support billions of transactions and processes of the users without any hindrance and provide outstanding performance.

Flexible Infrastructure

The z/VM operating system that executes the virtual servers, hypervisors, blade servers, and logical partitions(LPARs) that are being evaluated on common criteria EAL 5+ are highly secured virtualized environments with cloud implementation that are supported by system z.

Centralized Data Hub

Up to two-thirds of organizational performance data remains or derives on the mainframe, according to statistics. This means that private clouds running on System z have secure access to critical data that may be accessed if required, with access controls, encryption, data security, data masking, and integrity in place.

Compliance

Data encryption, separation of tasks, privileged user monitoring, secure communication protocols, audit reporting, and other industry standards, compliance rules, and best practices are all supported.

Resilience

The modernized mainframe provides the top resilient platform with the highest level of availability, reliability, recoverability, security, agility, flexibility, integrity, and performance.

Security

By implementing the mainframe private cloud, it offers one of the industry’s best controls with the maximum level of security transparency to have access across the enterprise. The security risks associated with public clouds with open networks can also be reduced by using mainframe clouds.

Migration

The distributed workloads may easily be transferred to the virtualized mainframe environment, reducing the number of distributed systems that need to be administered.

Consolidated workloads

Once the virtual environment on the mainframe has been optimized, consolidating the workload becomes simple while maintaining any required segmentation between virtual systems. This also helps to lower the licensing costs associated with distributed systems.

Reduced Total Cost of Ownership

According to ease of security management research, the total cost of ownership (TCO) for a private cloud based on IBM zEnterprise systems over three years was comparatively lower than a third-party service provider’s public cloud. To be benefited from all the benefits and advantages that one can reap from cloud computing, along with navigating the most priority concerns and security with lowering the risk. one will select the platform equipped with secure architecture, data protection controls, application security, operating system integrity, hardware protection, and virtualization isolation.

However, rather than entirely revamping your platform, you can tackle the challenge of choosing between the mainframe and the cloud by modernizing the mainframe systems, which entails making incremental enhancements or progressively adding functionality to existing core systems. Modernization should be ongoing so that replacement is minimized and current systems’ functionality is preserved. With mainframe applications being updated along with contemporary web service-based interfaces, updating apps or expanding functionality is less expensive and can be done more quickly.

When it comes to digital transformation, it’s best to keep your options open as much as possible, because the entire process necessitates flexibility and agility. There is, however, a method to have the best of both worlds. The correct mix of on-premise mainframes and cloud platforms could be the key to powering an organization that can shift as quickly as the computing world evolves—which is to say practically instantly.

Taking advantage of each platform’s best features would be a prudent line of action.

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