Extends Keyword in Java: A Deep Dive into Inheritance
The extends keyword in Java is used to establish a class inheritance relationship. Extends keyword in Java allows a class …
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Why Multiple Inheritance is not Supported in Java?
Multiple inheritance is not supported in Java because it can lead to ambiguity. This is the problem of having two …
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How to Create Method in Java?
Creating a method in Java is essential for organizing code, promoting reusability, and streamlining complex tasks. Methods act as reusable blocks …
How to enable authentication in MongoDB Server?
By default, MongoDB has authentication disabled. To enable authentication in MongoDB we need to create a user and also have …
ArrayIndexOutOfBoundsException in Java
An ArrayIndexOutOfBoundsException is a common runtime exception in Java that occurs when we try to access an element of an …
Default Variable Initialization in Java
Default Variable Initialization in Java refers to the automatic assignment of default values to variables when they are declared but …
Array Declaration in Java
In Java, arrays are used to store multiple values of the same data type in a single variable. To declare …
What is Caching?
In today’s fast-paced digital world, where speed and efficiency are paramount, technologies like caching play a crucial role in optimizing …
Consistency and Availability in Distributed System
Distributed systems are designed to handle vast amounts of data and provide seamless user experiences. Two crucial aspects that need …
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What is Message Queue?
A message queue is a software intermediary that decouples the sender of a message from the receiver. A message queue …