Dispose vs Finalize: Difference and Comparison

Similar to any other language in the world. A programming language also consists of certain commands and methods that help the programmer achieve his desired result.

Dispose and finalize are two such commands that are used in computer programming languages to achieve different sets of results. And it is very crucial to mark a difference.

Many people use these terms in place of one another between these two. 

Key Takeaways

  1. Dispose of means to get rid of something, while finalizing means to complete or finish something.
  2. Dispose of implies throwing something away, while finalize implies completing a process.
  3. Dispose of is an action while finalizing a state of completion.

Dispose vs Finalize 

The difference between Dispose and Finalize is that while both of these help the programmer to clear the memory database, the former is more of a given command, and it only comes into operation when the programmer wants it to. But on the other hand, the latter is a kind of automatic command that comes into play wherever needed. Apart from this very key difference, other significant differences between these two commands can be listed easily. 

Dispose vs Finalize

When the user gives the Dispose command to the computer, it simply means that the user wants some part of the used memory cleaned. To do so, the memory is freed from those things.

That is no longer of any use to the user, and eventually, a new space is generated within the same memory. This particular command can only be given in a particular user interface. 

While on the other hand, Finalize is a command of the programming language but of a whole different kind. It comes into play when the programmer does not use the previous one.

This happens to be the final step, and only the garbage collector can use it. In most cases, the person uses this command when there remains no access to the object anymore.

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And the only option remains to destroy it. 

Comparison Table

Parameters of Comparison Dispose  Finalize 
Meaning  It denotes a command by which certain resources of a program are freed so that more space can be created it denotes a command by which certain resources of a program are cleared or destroyed so that a new space can be created. 
Objective  It is used to save up some space for further work it is used to clear up the space before the actual resource gets destroyed forever 
Access available access to this command is available to the whole public. the access of this command happens to be available to limited people only 
Belongs to IDisposable interface Object class 
Who can invoke it? The programmer can easily invoke this particular command to get the desired results only the garbage collector and no one else can invoke this particular command. 
Speed  The speed of this command happens to be fast the speed of this command happens to be relatively slow 
Impact on Performance  once the command is activated, it does not impact the performance of the program at all once the command is activated, it slows down the performance of the program, eventually 

What is Dispose? 

While working on a program, there is a probability that a need might arise for the programmer. To free up some space in the program so that he could continue working further.

For this cause, insert in programming languages a particular command is given to the program that is known as Dispose. It refers to a situation where the programmer disposes of certain things.

Contained in the program so that certain spaces can be freed. This space is cleared up because the programmer needs to work more and generate other useful resources within the program.  

A very crucial point regarding this particular command is that only the programmer of the program can give it. However, its access happens to be available to the public.

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This command is widely popular among programmers. Because it neither harms the performance of the program nor slows it down. 

A notable point about this command is that it is not a final command in the world of programming. Rather it is an act between a complete series of acts done to accomplish certain desired results. 

What is Finalize? 

The term Finalize suggests something that has reached its possible end. Similarly, in the context of programming, this term is used to denote a particular command that is given to the software.

When the person wants the entire software destroyed before the exact destruction, this command clears up the space that was being taken by certain resources contained in that software. 

The major objective behind this particular command is to clear up everything that the software has not managed when the software gets destroyed. All the managed resources are cleared.

One point to remember about this particular command is that experts regard it as extremely necessary when it is used. In other words, as long as the situation remains.

In control, and there is no dire need for extreme actions. This particular command should not be invoked because it eventually destroys the whole resource.  

Main Differences Between Dispose and Finalize 

  1. Dispose, in terms of programming, refers to a command used for freeing certain resources, but on the other hand, finalize is more like a final command that is given before a resource gets destroyed.  
  2. Access of dispose happens to be available to the public, while the access to Finalize happens to be available to certain limited people only. 
  3. Dispose is invoked by the programmer of the program, while finalize involved by the garbage collector only. 
  4. In terms of speed, the command of dispose happens to be relatively fast than the command of finalize. 
  5. Once a command of dispose is given to the program, no impact on the performance of the program is created. But on the other hand, the command of finalize slows down the performance of the program eventually. 


  1. https://www.sciencedirect.com/science/article/pii/002223649290069J
  2. https://link.springer.com/chapter/10.1007/978-3-030-60808-8_12

Last Updated : 11 June, 2023

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9 thoughts on ‚ÄúDispose vs Finalize: Difference and Comparison‚ÄĚ

  1. The comparison table provided in the article is especially useful in highlighting the contrasting aspects of Dispose and Finalize. It’s a comprehensive guide.

  2. I appreciate the way this article elucidates the key differences between Dispose and Finalize. It has broadened my knowledge in programming.

  3. I believe this article serves as a great reference for those who want a thorough understanding of the Dispose and Finalize commands in programming.

  4. Understanding the nuances between Dispose and Finalize is crucial for efficient memory management. This article provides a great breakdown of both commands.

  5. As a beginner programmer, this article has been instrumental in expanding my understanding of Dispose and Finalize.


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