CS1211: Computer Programming Lecture 5 Quiz
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Questions and Answers

What values can a Boolean variable in Java hold?

  • Yes and No
  • True and False (correct)
  • 1 and 0
  • Positive and Negative

    • Which type of variable in Java is used for flags?

  • Boolean (correct)
  • int
  • String
  • double

    • What is the default value of a Boolean variable in Java?

  • 1
  • False (correct)
  • True
  • 0

    • What statement is used to declare a Boolean variable in Java?

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

    In Java, what keyword is used to assign a value to a Boolean variable?

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

    Which data type is used for flags that represent two states in Java?

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

    What is the purpose of the == operator in Java?

    <p>It is used to compare two boolean values for equality</p> Signup and view all the answers

    Which operator in Java is used to combine boolean expressions?

    <p>Logical and (&amp;&amp;)</p> Signup and view all the answers

    When comparing two floating point values in Java, which operator is appropriate?

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

    What is the purpose of the && operator in Java?

    <p>It checks if both operands are true</p> Signup and view all the answers

    In Java, what would be the result of the expression (true && false)?

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

    What is the purpose of the || operator in Java?

    <p>It checks if either or both operands are true</p> Signup and view all the answers

    What does the == operator check for when used with integers, characters, or booleans in Java?

    <p>It compares two values for equality</p> Signup and view all the answers

    In Java, what would be the result of the expression (false || true)?

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

    What is the purpose of the ! operator in Java?

    <p>It negates a boolean value</p> Signup and view all the answers

    What type of values do logical operators work with in Java?

    <p>Booleans only</p> Signup and view all the answers

    Which operator is used to combine boolean expressions in Java?

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

    What is the purpose of the ! operator in Java?

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

    When comparing two floating point values in Java, which operator is appropriate?

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

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