Computer Programming: Top In-Demand Languages
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Questions and Answers

What is the primary feature of Java that enables it to run on any platform?

  • Platform independent (correct)
  • Robust memory allocation
  • Object-oriented programming
  • Multi-threaded

    • What is the purpose of the automatic garbage collector in Java?

  • Code execution
  • Memory allocation
  • Code compilation
  • Memory deallocation (correct)

    • Which of the following is NOT a feature of Java programming?

  • Robust memory allocation
  • Simple and easy to use
  • Machine dependent (correct)
  • Object-oriented

    • What is the purpose of the break operator in a loop?

    <p>To terminate the loop</p> Signup and view all the answers

    What is the result of the logical operator && in Java if both statements are true?

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

    What is the significance of the * symbol in a package import statement?

    <p>It imports all classes in the package</p> Signup and view all the answers

    What is the purpose of the bytecode in Java?

    <p>Compiled format of Java code</p> Signup and view all the answers

    What is the purpose of an access modifier in a Java class?

    <p>To control the visibility of the code inside a class</p> Signup and view all the answers

    What is the name of the method that Java follows, which allows it to write the code once and run it anywhere?

    <p>W-O-R-A</p> Signup and view all the answers

    What is the rule for naming a Java class?

    <p>The class name can be the same as the file name</p> Signup and view all the answers

    What is the meaning of != in a conditional statement?

    <p>Not equal to</p> Signup and view all the answers

    What is the purpose of a package in Java?

    <p>To provide a collection of tools and objects for creating a program</p> Signup and view all the answers

    What is the correct file extension for a Java program file containing the class code?

    <p>.java</p> Signup and view all the answers

    Which character should be used instead of a space in a name for a Java class or file?

    <p>_ (underscore)</p> Signup and view all the answers

    What part of a Java program is read and executed by the compiler?

    <p>Main method</p> Signup and view all the answers

    What is responsible for converting Java code into Bytecode?

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

    Which of the following is not allowed in a Java class or file name?

    <p>Symbols like @ or *</p> Signup and view all the answers

    What is the standard syntax for the main method in a Java program?

    <p>public static void main(String[] args)</p> Signup and view all the answers

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