Difference Between C++ And Cobol

Both C++ and COBOL are considered high-level programming languages. C++ is commonly employed for system-level programming and building intricate applications. In contrast, COBOL is predominantly utilized in managing the business and financial aspects of organizations and government entities. When comparing the two languages, distinctions are evident in their features, intended applications, utilization, and efficiency.

1. Background and Objectives

C++: In 1983, Bjarne Stroustrup introduced this programming language. It was developed as an expansion of the C language to incorporate various object-oriented programming features like classes, inheritance, polymorphism, and encapsulation. The objective was to design a language that could leverage low-level memory operations similar to C while offering advanced programming concepts. C++ has emerged as a versatile programming language, garnering recognition for its usage in diverse fields such as operating systems, embedded systems, gaming, and real-time applications.

COBOL, developed in 1959 by a team that included CODASYL (Conference on Data Systems Languages) and Grace Hopper, aimed to establish a sophisticated business-centric language suitable for commercial, financial, and administrative tasks. This programming language excels in managing extensive data processing tasks such as payroll, accounting, and transaction operations. The syntax was intentionally designed to be user-friendly for non-programmers, enabling business professionals to independently create applications. Even today, COBOL remains prevalent in industries like banking and government, where legacy systems continue to operate.

2. Syntax and Readability

The structure of C++ heavily draws from its precursor, C, resulting in a language that is notably succinct, brief, and effective. However, for beginners in programming, mastering C++ can be quite challenging, particularly due to its somewhat intricate syntax and intricate ideas related to pointers, memory handling, and templates.

Example C++ code:

#include<iostream>
using namespace std;

class Employee {
public:
    string name;
    int id; 
    Employee(string name, int id) {
        this->name = name;
        this->id = id;
    }
    void display() {
        cout << "Employee Name: " << name << ", ID: " << id << endl;
    }
};
int main() {
    Employee emp("Alice", 1001);
    emp.display();
    return 0;
}

Output:

Explanation:

Here is an instance where we elucidate the class declaration, instance instantiation, and the member method using C++. C++ serves as a highly robust compiler. Nonetheless, it demands meticulous handling of memory resources.

COBOL Language Structure: The structure of COBOL is detailed and mimics the flow of everyday English. This indicates a focus on the ease of understanding for business users rather than brevity. Essentially, it is a language designed for readability over brevity.

Example COBOL code:

IDENTIFICATION DIVISION.
PROGRAM-ID. EMPLOYEE-DISPLAY.
DATA DIVISION.
WORKING-STORAGE SECTION.
01 EMPLOYEE-NAME    PIC X(20) VALUE 'ALICE'.
01 EMPLOYEE-ID      PIC 9(4) VALUE 1001.
PROCEDURE DIVISION.
    DISPLAY "Employee Name: " EMPLOYEE-NAME
    DISPLAY "Employee ID: " EMPLOYEE-ID
    STOP RUN.

Output:

Explanation:

As demonstrated in this instance, COBOL is highly organized and verbose. It is divided into sections such as IDENTIFICATION, DATA, and PROCEDURE to maintain a clear distinction between different aspects. COBOL places emphasis on straightforwardness and comprehensibility. This can make it more accessible for individuals without programming experience to grasp.

3. Memory Management

C++: One of the primary advantages of C++ is its ability to directly manage memory through pointers. The new and delete commands are employed for dynamic memory allocation, allowing users to specify the exact amount of memory needed. This feature enhances program efficiency, but issues may arise if memory leaks or segmentation faults are not addressed correctly.

COBOL simplifies memory management for programmers by handling it internally. High-level programming languages like COBOL focus on business operations and data manipulation, minimizing the impact of memory-related issues. COBOL offers built-in data structures to handle large datasets effectively, without requiring developers to manage memory allocation or deallocation directly.

4. Object-Oriented Programming (OOP)

C++: C++ is a completely object-oriented coding language. It encompasses principles such as classes, instances, inheritance, polymorphism, encapsulation, and abstraction. These characteristics empower C++ to accurately model complex real-life issues and promote code reusability. Additionally, C++ facilitates templates and the Standard Template Library, enhancing its adaptability in crafting generic algorithms and data structures.

COBOL: Initially, COBOL did not incorporate object-oriented programming concepts. The addition of object-oriented programming to COBOL occurred with the introduction of COBOL 2002, which brought in class, inheritance, and object-oriented programming capabilities to the language. Despite having support for classes, inheritance, and objects, object-oriented programming in COBOL is not widely utilized compared to languages such as C++ or Java. Many legacy applications on the COBOL platform function using procedural approaches, resulting in minimal application of object-oriented COBOL features in practice.

5. Performance

C++ is recognized for its efficiency in performance. It is commonly applied in system operations, game design, and real-time software development. C++ programs can achieve high effectiveness by effectively utilizing hardware resources, optimizing code execution, and managing memory allocation. Furthermore, since C++ directly converts to machine code, it often outperforms interpreted languages in terms of speed.

COBOL: COBOL is primarily designed for utilization in business settings rather than prioritizing speed. It is particularly well-suited for handling extensive amounts of transactions and data in sectors like banking. While it may not outperform C++ in certain low-level operations, COBOL is specifically tailored for efficient batch processing and executing business logic to uphold precision and velocity.

6. Applications and Industry Use

C++: C++ is a versatile language used in various domains, including:

• ✅ Systems Programming: Operating systems , Compilers , Device drivers , etc.
• ✅ Game Development: Most game engines and popular games are developed on the core of C++ programming language.
• ✅ Embedded Systems: They help in developing the software for embedded hardware systems.
• ✅ Real-Time Systems: Applications that require instant processing, such as an autonomous vehicle and medical equipment.

COBOL: COBOL is mainly applied in business, finance, and government applications. It drives:

• ✅ Banking Systems: COBOL is utilized for managing transactions in banking systems.
• ✅ Thousands of organizations use COBOL in their payroll systems.
• ✅ Government Systems: COBOL is the core of most governmental record-keeping systems.
• ✅ Mainframe Systems: COBOL is mainly used in the mainframe systems for batch processing and transaction processing.

7. Portability and Maintenance

C++: It is transferable. Your code can be easily transferred to different systems with minimal adjustments. Despite its capability for intricate operations at a lower level, the intricacy of C++ can pose challenges in managing extensive codebases over time, particularly when disregarding documentation and design considerations.

COBOL: COBOL programs have strong ties to older systems and mainframe setups, making them less adaptable. While COBOL code is typically reliable and easy to manage, the scarcity of seasoned COBOL developers due to the language's age poses challenges in maintaining existing COBOL systems.