A need to initialize variables
Asked By
0 points
N/A
Posted on - 06/11/2012
In computer science, do variables need to be initialized? What is an Automatic variable and in what instance is this variable applicable.
Best Answer
Best Answer
A need to initialize variables
Hi Shannon,
The matter of defining variables depends on the programming language you are using to write your program.
In C language for instance you must initialize variables before using them, but Java on the other hand doesn't require such initialization of local variables.
So first you need to know what programming language you are using then you can know if you have to initialize your variables or not.
A need to initialize variables
Hi Shannon Stainbrook,
In C language, Variables must be initialized before using them. But in JAVA language, Variables need not be initialized before using them. Automatic variables are variables that are declared within the scope of a block, usually a function. These variables are usually allocated from the stack frame. I hope you understand it.
best regards
A need to initialize variables
Of course, in order for a variable to be used it needs to be initialized first or in other words you need to declare it first before using it. An automatic variable in computer programming is the kind of variable that can automatically be allocated and deallocated when the program flow starts and set asides the context of the variable.
It mainly applies to lexically-scoped variables where the lexical context is also the context especially the block or function in which the variable is defined. The term “local variable” is normally the same as with automatic variable. Nearly all local variables are automatic local variables though static local variables also exist particularly in C language.
In a static local variable, the allocation or distribution is static and not automatic meaning the variable will only exist while the program is running. In C and C++, all variables that are declared inside a block of code are automatic by default. But it can also be made specific using the auto keyword.
Related Questions
Latest Articles
Top Applications Of AI In Military
AI has become an essential part of the military’s functioning. Military teams must keep up with emerging security threats and challenges. With the introduction of Large Language Models and Natural Language Processing, AI offers...
KjøPe Mobil Uten Abonnement Or With A Contract
Mobile phones nowadays are used more in the capacity of a mini laptop than merely for phone or messaging purposes. Many people conduct professional and personal business with the loads of apps available, social...
Is Dream99 Really Reputable?
The question of whether Dream99 is really reputable has received great attention from the gaming community. Join us to learn about this brand through the article below
Is Dream99 Really Reputable?
Dream99 is one of the...
Latest Blogs
Top 10 New Laptop Entrants That Shook The Public
The finest laptops are powerful enough to do your daily tasks, comfortable enough to use all day, and power-efficient enough to ensure you don't run out of battery power unexpectedly. Of course, all these...
10 Facts About The Dark Web
Before getting into knowing the facts, let’s have a brief about the Dark Web. The dark web is the data of the World Wide Web that is accessible only through special software, combinations, or...
Top 10 Latest Steam Cleaner Machines
While looking for a chemical-free way to clear and purify both durable and low grounds in your home, a steam cleaner is an excellent solution. With a spurt of superheated steam, this cleaning equipment...
Latest Tips
Top 10 Internet Monitoring Software
Internet monitoring software keeps a log of all internet activities. You can install this type of software on your computer remotely or by the administrator. An operating console controls this software. This type of...
Top 10 Best Partition Manager Software
A Hard Disk Drive is usually partitioned into various smaller drives for optimization. A partition manager helps make this process easier and more efficient. Here, let’s discuss the top 10 best partition manager software.
1....
Top 10 Best Online Music Production Software
Music production is the initial stage of any song. Music production can be done either in studios or at home using an online music production software. Here, let’s discuss the top 10 best online...
