1. Procedural programming technique:

It is a list of instructions telling a computer, step-by-step, what to do, usually having a linear order of execution from the first statement to the second and so forth with occasional loops and branches. Procedural programming languages include c, C++, etc.

Some of the benefits of the procedural programming methodology are:

• Easy to read program code.
• Easily maintainable program code, as various procedures can be debugged in isolation.
• The code is more flexible as one can change a specific procedure that gets implemented across the program.

2. Structured programming technique: Structured programming deals only with logic and code, and suggests making use of programming structures such as sequence, selection, iteration and modularity in programs

Features:

• It focuses on techniques for developing good computer programs and problem solution.
• It is most important to consider single-entry and single-exit control in a program and structures.
• Structured code is like a page, which can be read from the top to bottom without any backward references.
• Read from top to bottom makes the code easy to read, test, debug, and maintain.

3. Object-oriented technique:

Object-oriented programming is a method of programming where a system is considered as a collection of objects that interact together to accomplish certain tasks. Objects are entities that encapsulate data and procedures that operate on the data. The main purpose of objectoriented programming is to simplify the design, programming and most importantly debugging a program.

So to modify a particular data, it is easy to identify which function to use. The important elements of OOP are objects, classes, abstraction, encapsulation, polymorphism, and inheritance.