Java Programming Fundamentals Quiz
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Questions and Answers

In Java, what characters are allowed in an identifier for a variable?

  • Letters, digits, and hyphens
  • Letters, hyphens, and underscores
  • Letters, digits, and underscores (correct)
  • Letters, spaces, and underscores

    • What is the convention for naming variables in Java?

  • Variable names should start with a digit
  • Variable names should start with an uppercase letter
  • Variable names should start with a special character
  • Variable names should start with a lowercase letter (correct)

    • What are the basic types for characters, integers, and floating point numbers in Java known as?

  • Core types
  • Primary types
  • Fundamental types
  • Primitive types (correct)

    • What is a variable in Java?

    <p>A storage location in the memory that has a type, name, and contents (D)</p> Signup and view all the answers

    What is the purpose of a meaningful identifier for a variable in Java?

    <p>To make the program easy to understand (D)</p> Signup and view all the answers

    Which statement controls the flow of a program based on a boolean expression in Java?

    <p>if (C)</p> Signup and view all the answers

    What type of flow control specifies that an action is to be repeated while some condition remains true in Java?

    <p>Repetition flow (B)</p> Signup and view all the answers

    Which operator can be used in the boolean expression of an 'if' statement in Java?

    <p>Relational operator (D)</p> Signup and view all the answers

    In Java, what flow control is used to choose among alternative courses of action?

    <p>Selection flow (A)</p> Signup and view all the answers

    What is the name of the statement used in Java to carry out decisions based on multiple constraints/conditions?

    <p>switch statement (A)</p> Signup and view all the answers

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