Java Encapsulation and Classes Quiz
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Questions and Answers

What is the total width of an element according to the CSS box model?

  • Sum of top and bottom margins, left and right borders, left and right paddings, and the actual content width (correct)
  • Sum of left and right margins, left and right borders, left and right paddings, and the actual content width
  • Sum of top and bottom borders, left and right paddings, and the actual content width
  • Sum of top and bottom margins, left and right borders, and the actual content width

    • Which property in CSS allows you to customize the borders of HTML elements by specifying the size, style, and color?

  • content property
  • padding property
  • border property (correct)
  • margin property

    • What is the main purpose of the CSS box model?

  • To control the positioning of images on a webpage
  • To specify the font styles for HTML elements
  • To define the layout of a webpage (correct)
  • To manage the alignment of text within HTML elements

    • Which property in CSS specifies the width of the border?

    <p>border-width property</p> Signup and view all the answers

    How are HTML elements represented in the context of the CSS box model?

    <p>As boxes with margins, borders, paddings, and content</p> Signup and view all the answers

    What determines how big the boxes are and how to place them in CSS?

    <p>Box model</p> Signup and view all the answers

    In CSS, how can the border color of an element be defined?

    <p>Using color name, RGB, or Hex values</p> Signup and view all the answers

    What is the default value of the border-style property in CSS?

    <p>None</p> Signup and view all the answers

    How can the total width and height of an element be styled to 100px in CSS?

    <p>Using pixels for width and percentages for height</p> Signup and view all the answers

    What properties can be used to set the minimum and maximum height and width of an element in CSS?

    <p>min-width, max-width</p> Signup and view all the answers

    Which border style type defines a sunken border in CSS?

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

    How are subclassed instantiated in Java?

    <p>By using the 'extend' keyword</p> Signup and view all the answers

    What is the main purpose of data abstraction in Java?

    <p>To hide the complexity and only show the necessary data</p> Signup and view all the answers

    What happens when a class contains an abstract method in Java?

    <p>'abstract' keyword marks the method as abstract and must be implemented by the subclass</p> Signup and view all the answers

    Study Notes

    CSS Box Model and Borders

    • Total width of an element in the CSS box model includes content, padding, border, and margin.
    • CSS property for customizing borders is border, allowing specification of size, style, and color.
    • Main purpose of the CSS box model is to define how HTML elements are structured and spaced, affecting layout and design.
    • Property specifying the width of the border is border-width.
    • HTML elements in the CSS box model are represented as rectangular boxes that include content, padding, borders, and margins.
    • Size and placement of boxes in CSS are determined by properties like width, height, padding, margin, and border.
    • To define border color in CSS, the border-color property is used.
    • Default value for the border-style property in CSS is none.
    • To style an element’s total width and height to 100px, set both width and height to 100px.
    • Minimum and maximum height and width can be set using min-width, max-width, min-height, and max-height properties.
    • The border style type that defines a sunken border in CSS is border-style: inset.

    Java Concepts

    • Subclass instantiation in Java occurs when a class extends a parent class, inheriting its attributes and methods.
    • Main purpose of data abstraction in Java is to hide complex implementation details and expose only necessary features to the user.
    • If a class contains an abstract method in Java, it must be declared as an abstract class, and subclasses must provide implementations for the abstract methods.

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    Description

    Test your knowledge of encapsulation in Java classes with this quiz. Explore the concept of encapsulation and how it ensures data hiding and implementation details are not visible to users.

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