{"id":47068,"date":"2024-04-15T22:21:29","date_gmt":"2024-04-15T22:21:29","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=47068"},"modified":"2024-04-15T22:21:29","modified_gmt":"2024-04-15T22:21:29","slug":"variables-are-not-reinitialized-each-time-visual-invokes-a-procedure-and-therefore-retains-or-preserves-value-even-when-a-procedure-ends","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/variables-are-not-reinitialized-each-time-visual-invokes-a-procedure-and-therefore-retains-or-preserves-value-even-when-a-procedure-ends\/","title":{"rendered":". . . . . . . . variables are not reinitialized each time Visual Invokes a procedure and therefore retains or preserves value even when a procedure ends"},"content":{"rendered":"

[amp_mcq option1=”static” option2=”public” option3=”local” option4=”general” correct=”option1″]<\/p>\n

The correct answer is static<\/strong>.<\/p>\n

A static variable is a variable that is declared with the static<\/code> keyword. It is a variable that is shared by all instances of a class. Static variables are initialized once, when the class is loaded, and they retain their value even when the class is unloaded.<\/p>\n

A public variable is a variable that is declared with the public<\/code> keyword. It is a variable that can be accessed from anywhere in the program.<\/p>\n

A local variable is a variable that is declared inside a method or a block. It is a variable that is only accessible within the method or block in which it is declared.<\/p>\n

A general variable is not a valid keyword in C#.<\/p>\n

Here is an example of a static variable:<\/p>\n

“`c#
\npublic class MyClass
\n{
\n static int myStaticVariable = 10;<\/p>\n

public void MyMethod()\n{\n    Console.WriteLine(myStaticVariable); \/\/ Prints 10\n}\n<\/code><\/pre>\n
}
\n“`<\/p>\n
In this example, the variable myStaticVariable<\/code> is declared as static<\/code>. This means that it is shared by all instances of the MyClass<\/code> class. The variable is initialized to the value 10 when the class is loaded. The MyMethod<\/code> method can access the variable myStaticVariable<\/code> because it is declared as public<\/code>.<\/p>\n
Here is an example of a public variable:<\/p>\n
“`c#
\npublic class MyClass
\n{
\n    public int myPublicVariable = 10;<\/p>\n
public void MyMethod()\n{\n    Console.WriteLine(myPublicVariable); \/\/ Prints 10\n}\n<\/code><\/pre>\n
}
\n“`<\/p>\n
In this example, the variable myPublicVariable<\/code> is declared as public<\/code>. This means that it can be accessed from anywhere in the program. The MyMethod<\/code> method can access the variable myPublicVariable<\/code> because it is declared as public<\/code>.<\/p>\n
Here is an example of a local variable:<\/p>\n
c#
\npublic class MyClass
\n{
\n    public void MyMethod()
\n    {
\n        int myLocalVariable = 10;
\n        Console.WriteLine(myLocalVariable); \/\/ Prints 10
\n    }
\n}<\/code><\/p>\n
In this example, the variable myLocalVariable<\/code> is declared as local<\/code>. This means that it is only accessible within the MyMethod<\/code> method. The MyMethod<\/code> method can access the variable myLocalVariable<\/code> because it is declared within the method.<\/p>\n","protected":false},"excerpt":{"rendered":"
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