Program Explanation Declare: • The declaration of variable includes two entities namely, name and datatype of the variable. • Syntax to declare a variable is as follows datatype variable_name; • If the variable is not declared before storing a value into it, the program throws an error. Explanation for incorrect options: Cite: It is not related to the variable declaration...

5th Edition

ISBN: 9780135204818

Author: GADDIS

Publisher: VST

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Addition of Two Numbers

Adding two numbers in programming is essentially the same as adding two numbers in general arithmetic. A significant difference is that in programming, you need to pay attention to the data type of the variable that will hold the sum of two numbers.

C++

C++ is a general-purpose hybrid language, which supports both OOPs and procedural language designed and developed by Bjarne Stroustrup. It began in 1979 as “C with Classes” at Bell Labs and first appeared in the year 1985 as C++. It is the superset of C …

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Chapter 3, Problem 3MC

Program Description Answer

In C#, a variable must be declared before storing the data into it.

Hence, the correct answer is option “C”.

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Chapter 3, Problem 2MC

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Chapter 3 Solutions

EBK STARTING OUT WITH VISUAL C#

Ch. 3.1 - What control can be used to gather text input from...Ch. 3.1 - Prob. 3.2CP Ch. 3.1 - Prob. 3.3CP Ch. 3.1 - How do you clear the contents of a TextBox...Ch. 3.2 - What is the purpose of a variable?Ch. 3.2 - Give an example of a variable declaration that...Ch. 3.2 - Prob. 3.7CP Ch. 3.2 - Indicate whether each of the following is a legal...Ch. 3.2 - What will be stored in the message variable after...Ch. 3.2 - Prob. 3.10CP

Ch. 3.2 - Assuming the variable greeting has not been...Ch. 3.2 - Will the following statement cause an error? Why...Ch. 3.2 - Write a single declaration statement for the...Ch. 3.3 - Prob. 3.14CP Ch. 3.3 - Which of the following variable declarations will...Ch. 3.3 - Write a programming statement that will convert...Ch. 3.3 - Prob. 3.17CP Ch. 3.3 - Prob. 3.18CP Ch. 3.4 - List the operands for the following math...Ch. 3.4 - Prob. 3.20CP Ch. 3.4 - Prob. 3.21CP Ch. 3.4 - Prob. 3.22CP Ch. 3.4 - Prob. 3.23CP Ch. 3.4 - Prob. 3.24CP Ch. 3.4 - Rewrite the following statements using combined...Ch. 3.5 - Prob. 3.26CP Ch. 3.5 - Prob. 3.27CP Ch. 3.5 - Prob. 3.28CP Ch. 3.5 - Prob. 3.29CP Ch. 3.6 - Prob. 3.30CP Ch. 3.6 - Write a programming statement that displays the...Ch. 3.6 - Prob. 3.32CP Ch. 3.6 - Prob. 3.33CP Ch. 3.6 - Prob. 3.34CP Ch. 3.7 - Prob. 3.35CP Ch. 3.7 - Prob. 3.37CP Ch. 3.7 - Prob. 3.38CP Ch. 3.7 - What causes the program to jump to the catch...Ch. 3.7 - Prob. 3.40CP Ch. 3.9 - Prob. 3.41CP Ch. 3.9 - Write a programming statement that declares a...Ch. 3.9 - Where should you place field declarations in a...Ch. 3.9 - Prob. 3.45CP Ch. 3.9 - Prob. 3.46CP Ch. 3.10 - Write a programming statement that declares a...Ch. 3.10 - Write a programming statement that uses the...Ch. 3.10 - What method of the Math class can he used to...Ch. 3.12 - What method of the Math class can be used to...Ch. 3.12 - Prob. 3.51CP Ch. 3.12 - Prob. 3.52CP Ch. 3.12 - Write a programming statement that gives the focus...Ch. 3.12 - Prob. 3.54CP Ch. 3.12 - Prob. 3.55CP Ch. 3.12 - Prob. 3.56CP Ch. 3.12 - Prob. 3.57CP Ch. 3.12 - When a GroupBox control is deleted, what happens...Ch. 3.12 - Prob. 3.59CP Ch. 3.12 - Prob. 3.60CP Ch. 3 - When the user types into a TextBox control, the...Ch. 3 - A_____ is a storage location in memory that is...Ch. 3 - Prob. 3MC Ch. 3 - A variables______ indicates the type of data that...Ch. 3 - Fundamental types of data, such as strings,...Ch. 3 - A______ identifies a variable in the program code...Ch. 3 - A common operation performed on strings is_______,...Ch. 3 - A______ belongs to the method in which it is...Ch. 3 - Programmers use the term________ to describe the...Ch. 3 - A variables______ is the time period during which...Ch. 3 - One way to make sure that a variable has been...Ch. 3 - You can use a______ to explicitly convert a value...Ch. 3 - Prob. 13MC Ch. 3 - A programmers tools for performing calculations...Ch. 3 - A_______ performs a calculation and gives a value....Ch. 3 - Prob. 16MC Ch. 3 - Prob. 17MC Ch. 3 - A(n)_______ is a piece of data that is passed into...Ch. 3 - A(n)________ is an unexpected error that occurs...Ch. 3 - Prob. 20MC Ch. 3 - Prob. 21MC Ch. 3 - Prob. 22MC Ch. 3 - A_______ is a name that represents a value that...Ch. 3 - A_______ is a variable that is declared inside a...Ch. 3 - A(n)________ specifics how a class member can be...Ch. 3 - A________ is a field that cannot be changed by any...Ch. 3 - The .NET Framework provides a class named_______,...Ch. 3 - Prob. 28MC Ch. 3 - The order in which controls receive the focus is...Ch. 3 - Prob. 30MC Ch. 3 - Prob. 1TF Ch. 3 - Prob. 2TF Ch. 3 - Prob. 3TF Ch. 3 - Prob. 4TF Ch. 3 - The order of operations dictates that the division...Ch. 3 - Prob. 6TF Ch. 3 - When you pass the formatting string "C" or "c" to...Ch. 3 - Prob. 8TF Ch. 3 - An error will occur if the compiler finds a...Ch. 3 - Prob. 10TF Ch. 3 - Prob. 1SA Ch. 3 - What two things does a variable declaration...Ch. 3 - Give an example of a programming statement that...Ch. 3 - What is the term used for a number that is written...Ch. 3 - What are the values on the right and left of an...Ch. 3 - Name the family of methods in the .NET Framework...Ch. 3 - Prob. 8SA Ch. 3 - What is the purpose of a try-catch statement?Ch. 3 - Prob. 10SA Ch. 3 - Prob. 11SA Ch. 3 - Prob. 12SA Ch. 3 - Name Formatter Create an application that lets the...Ch. 3 - Tip, Tax, and Total Create an application that...Ch. 3 - Distance Traveled Assuming there are no accidents...Ch. 3 - Sales Tax and Total Create an application that...Ch. 3 - Celsius and Fahrenheit Temperature Converter...Ch. 3 - Body Mass Index Create an application that lets...Ch. 3 - Prob. 7PP Ch. 3 - How Much Insurance? Many financial experts advise...Ch. 3 - Cookie Calories A bag of cookies holds 40 cookies....Ch. 3 - Prob. 10PP Ch. 3 - Automobile Costs Create an application that lets...Ch. 3 - Paint Job Estimator A painting company has...Ch. 3 - Property Tax If you own real estate in a...Ch. 3 - Stadium Seating There are three seating categories...

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In C#, a variable must be declared before storing the data into it. Hence, the correct answer is option “ C ”.

Solution Summary: The author explains that in C#, a variable must be declared before storing the data into it.

Concept explainers

In C#, a variable must be declared before storing the data into it.

Hence, the correct answer is option “C”.

Want to see the full answer?

Chapter 3 Solutions

In C#, a variable must be declared before storing the data into it. Hence, the correct answer is option “ C ”.

Solution Summary: The author explains that in C#, a variable must be declared before storing the data into it.

Concept explainers

In C#, a variable must be declared before storing the data into it. Hence, the correct answer is option “C”.

Want to see the full answer?

Chapter 3 Solutions

In C#, a variable must be declared before storing the data into it.

Hence, the correct answer is option “C”.