The if Statement in Programming
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Questions and Answers

Which type of variable is used in the if statement to decide whether the next statement or block of statements executes?

  • String
  • Double
  • Boolean (correct)
  • Integer

    • In programming style, how should the executed statement be positioned in relation to the if condition?

  • On the same line as the if condition
  • On the line after the if statement (correct)
  • Two lines after the if condition
  • Before the if condition

    • How are conditionally executed statements grouped into a block in programming?

  • Using angle brackets <>
  • Using square brackets []
  • Using curly braces {} (correct)
  • Using parentheses ()

    • What happens when a flag is set to true in a program?

    <p>The flag monitors some program condition</p> Signup and view all the answers

    What type of operators can be used to compare characters or numbers in programming?

    <p>&lt; and &gt;</p> Signup and view all the answers

    What additional feature does the if else statement add to conditional execution of code?

    <p>Ability to switch between two different code blocks based on a condition</p> Signup and view all the answers

    What is the primary function of the if statement in programming?

    <p>To decide whether a section of code executes based on a Boolean expression</p> Signup and view all the answers

    How does an if statement without block curly braces indicate the end of its execution?

    <p>By encountering the first semicolon after the if condition</p> Signup and view all the answers

    In programming style, how should the executed statement be positioned in relation to the if condition?

    <p>Indented one level from the if condition</p> Signup and view all the answers

    What is the purpose of using a flag in programming?

    <p>To monitor some condition in a program</p> Signup and view all the answers

    How can characters or numbers be compared in programming?

    <p>== and != operators only</p> Signup and view all the answers

    What does an else if statement add to conditional execution in programming?

    <p>Capability to execute a different group of statements based on a different boolean expression</p> Signup and view all the answers

    Which logical operator connects two boolean expressions into one where only one of the expressions must be true?

    <p>||</p> Signup and view all the answers

    What does short circuiting refer to in the context of logical operators?

    <p>Skipping the evaluation of an expression based on early results</p> Signup and view all the answers

    In Java, which operator is used to reverse the truth of a boolean expression?

    <p>!</p> Signup and view all the answers

    What is the purpose of using parentheses in logical expressions?

    <p>To group multiple conditions together</p> Signup and view all the answers

    Which method should be used to compare the contents of two String objects in Java?

    <p>.equals() method</p> Signup and view all the answers

    What happens when two reference variables point to different String objects but with the same content?

    <p>.equals() method will return false</p> Signup and view all the answers

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