Java

Bootstrap Jumbotorn

Posted on by master

A jumbotron in Bootstrap is a large, flexible container that can be used to showcase important content or messages on your website. It is typically used to draw attention to a specific piece of content and is often placed at the top of a page.

To create a jumbotron in Bootstrap, you can use the .jumbotron class on an <div> element. You can also use the .jumbotron-fluid class to create a full-width jumbotron that spans the entire width of the viewport.

Here is an example of how to create a jumbotron in Bootstrap:

<div class="jumbotron">
  <h1 class="display-4">Hello, world!</h1>
  <p class="lead">This is a simple jumbotron example.</p>
  <hr class="my-4">
  <p>Learn more about Bootstrap on the official website.</p>
  <a class="btn btn-primary btn-lg" href="#" role="button">Learn more</a>
</div>

This example creates a jumbotron with a large heading, a lead paragraph, and a button.

You can customize the appearance and layout of your jumbotron using Bootstrap’s various layout and styling utilities. For example, you can use the .text-* classes to set the text color, the

Access Modifiers in Java ,How Access Level Helps in Inheritance and Polymorphism

Posted on by Shakti Das

In java their are 4 access modifiers public,protected,<default>,<package>,private

  • Public-Public  is the access modifiers which shows the highest visibility any class member declare as public can be visible
    1.Within the class.
    2.Within the package.
    3.Outside the package.
  • Protected-Any class member declare as protected are visible
    1.Within the class.
    2.Within the package.
    3.Out side the package but only in the case of is-a relationship.
  • Default-
    If we do not any access modifier to declare then the class member is consider as default member.
    1.Default member are visible within the class
    2.Within the package.
  • Private-
    Private is the access modifier which shows the least visibility if we declare any member as private then it is visible
    1.Only within that classes.

Understanding all java access modifiers

Let’s understand the access modifiers by a simple table.

Access Modifier within class within package outside package by subclass only outside package
Private Y N N N
Default Y Y N N
Protected Y Y Y N
Public Y Y Y Y

If you have any further clarification on Access Modifiers in Java ,How Access Level Helps in Inheritance and Polymorphism please give comment bellow