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zvonat [6]
3 years ago
9

If variable x has value 2 and y has value 2, what is the value of the following Jack expression?

Computers and Technology
1 answer:
saul85 [17]3 years ago
3 0

Answer:

The value of the following expression is "2".

Explanation:

Here x has value 2 means x=2,and y has value 2 means y=2.

so (x+3)/(4-y)

  (2+3)/(4-2)

5/2 it gives 2 because /(slash) operator gives the quotient part .The slash    operator divide the left hand operand by the right hand operand.On dividing 5/2 it returns integer value i.e 2.

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The destructor automatically executes when the class object goes out of ____.
Tema [17]

Answer:

scope    

Explanation:

Destructor is a member function and it call automatically when the class object goes out of scope.

Out of scope means, the program exit, function end etc.

Destructor name must be same as class name and it has no return type.

syntax:

~class_name() { };

For example:

class xyz{

  xyz(){

        print(constructor);

   }

~xyz(){

        print(destructor);

   }

}

int main(){

    xyz num;

   

}//end program

when the object is create the constructor will called and when the program end destructor will call automatically.

4 0
3 years ago
Which technology can be implemented as part of an authentication system to verify the identification of employees?
STALIN [3.7K]
The answer is smart card readers. Smart card readers can be implemented as part of an authentication system to verify the identification of employees.
5 0
2 years ago
Suppose you have two tables: officer and gentleman. what question(s) can be asked by using the union operator?
Alik [6]
The union of two tables is basically the total of the two tables, so "or" questions would be my guess.
8 0
3 years ago
Write a recursive method called repeat that accepts a string s and an integer n as parameters and that returns s concatenated to
svp [43]

Answer:

public static String repeat(String text, int repeatCount) {

   if(repeatCount < 0) {

       throw new IllegalArgumentException("repeat count should be either 0 or a positive value");

   }

   if(repeatCount == 0) {

       return "";

   } else {

       return text + repeat(text, repeatCount-1);

   }

}

Explanation:

Here repeatCount is an int value.

at first we will check if repeatCount is non negative number and if it is code will throw exception.

If the value is 0 then we will return ""

If the value is >0 then recursive function is called again untill the repeatCount value is 0.

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How many owners does a sole proprietorship have?
never [62]
The sole proprietorship it is the simplist business form under which one can operate a business. the answer is one.
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