With the advancing technologies disrupting our world, there is a huge demand for developing programs or applications. Behind every program that is available at your fingertips today, there lies a huge framework of programming, structure, execution, rectification, and management.
Therefore, developing programs is an important task, and if they are not done correctly, they are of little or no use. However, careful planning and testing can help us detect errors.
To suggest that working as a full-time developer is difficult is an understatement. Aside from the inherent difficulties of creating and maintaining a unique website, every developer must deal with a variety of problems and bugs on a regular basis.
Error handling is a significant aspect of any programming or development process, and seasoned coders gradually become specialists at navigating and resolving the faults they cause.
There are seven types of errors in programming, of which three are the most common.
In this article, we’ll talk about the three most common types of errors in programming.
Three Types Of Errors In Programming
When creating programs, these are the three types of errors.
- Syntax Errors
- Logic Error
- Runtime errors
Let’s talk about these errors one by one.
Syntax errors are the most common errors in programming languages. These can occur when the given code doesn’t follow the syntax rules of the programming language. Programmers should be conscientious, as programming languages have their own grammar and rules to follow. When those rules are not followed, then a syntax error occurs. Examples include:
- Misspelled a word, for example, writing “Scren” instead of “Screen”.
- Brackets are missing, for example, opening a bracket but not closing it.
- Using a variable
Such errors prevent the program from running. Syntax errors should be fixed in order to run the program. A good Integrated Development Environment (IDE) can help fix syntax errors.
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Logic errors are the second most encountered errors while programming. A logic error is an error in which a program can work, but not entirely. It can work, but not to the expectations of it. If a program has logic errors, it may run half and then stop. This occurs because there is a faulty code in the program that stops the program from running completely.
Identifying these errors is very frustrating to do so since nothing is inherently wrong with the program. With experience, however, you will be able to learn about these errors, identify them, and rectify them with ease.
As an example, the miscalculations of American and English units caused NASA to lose its spacecraft in 1999. Can you imagine losing a spacecraft in the vastness of space, all because the program you were running had faulty code?
Some other examples of logic errors caused by programmers:
- Incorrect calculation or miscalculations
- Incorrect usage of brackets and variables
- Creating a situation unintentionally where an infinite loop may occur
Unlike Syntax error, it will not stop the program. Although the program will run, it will not perform as expected.
Working with a mentor can help you in identifying logic errors, as these are not something a novice can do on their own. A mentor or someone having good experience in programming can take one look at your code and let you know what is wrong with it. Such guidance can help students prevent mistakes in the future when they are in professional environments.
Runtime errors are those errors that can occur while running the program. These errors are considered frustrating since they can impact the end-user and sometimes make the application unreliable or completely broken.
For example, if a program is trying to connect with a sixth array and only five items are there, a runtime error is likely to happen and crash the program.
Runtime errors can result in a bad reputation with your customers as these occur at runtime.
To make sure that your program doesn’t have runtime errors, consider doing several experiments of your program and see how it is working in real-time. Also, think about different scenarios in which your program may be used, and try to experiment with that as well. The more you experiment with your program, the more you will be able to identify mistakes and errors for rectification.
Here, we talked all about the three most common types of programming errors that occur during programming. These include syntax errors, logic errors, and runtime errors.
Syntax errors occur when the proper guidelines and rules of a programming language aren’t followed. This results in the program not running at all.
The next common type of error is a logic error. This occurs when there is some error in a program that makes it run for a while but not completely. Logic errors are hard to detect and may require some experience in programming to identify and rectify them.
Lastly, runtime errors are the errors that occur while the program is running. These can be rectified with increased experimentation and rectification.