Spring Security, OAuth 2.0 and JWT

@BeforeClass:- The first annotation is @BeforeClass. So, Now, this annotation is used to initialize any object that you are going to use in your test case or your running testes. @BeforeClass annotation specifies that method will be executed only once, before starting all the tests. @Before annotation specifies that method…

Introduction to Medium — Medium is an online publishing platform that was founded in 2012 by Evan Williams, one of the co-founders of Twitter. It allows individuals to write, share, and discover articles and stories on a wide range of topics. …

Overloading and Overriding in Java — Overloading and overriding methods are two fundamental topics in Java object-oriented programming. Both notions are connected to the operation of Java methods, yet they serve different functions. Method Overloading: Method Overloading is a technique that allows you to declare numerous methods with the same name but different parameters in the same class…

while loop — The “While” Loop is a fundamental programming construct that allows a particular set of instructions to be executed repeatedly until a specific condition is met. A practical example of this is when we need to obtain a range of data from a sensor, say between 500 and 800. In this…

What is Tesla coil? — A device called the Tesla coil was created by Nikola Tesla towards the end of the 19th century. This type of circuit functions as a resonant transformer and is capable of generating very high voltage, low current, and high frequency alternating current electricity. …

Cryptocurrency and blockchain technology are anticipated to have a huge impact on the future of finance and technology and have gained tremendous popularity in recent years. The history, salient characteristics, advantages, drawbacks, and prospects of cryptocurrencies and blockchain will all be covered in-depth in this article. What is Cryptocurrency? Cryptocurrency…

A. First of all let us make a screen For this we need to import pygame import pygame Initialization of the pygame pygame.init() Define the background color green=pygame.Color(0,255,0) Mention the width and height of the screen window_x_axis=840 window_y_axis=600 pygame.display.set_caption :- Set the current window caption pygame.display.set_caption('Snake Game') pygame.display.set_mode:- Initialize a window or screen for display

Multiple items can be stored in a single variable using lists. — Square brackets are used to make a list, with commas separating items. Lists are one of four built-in Python data structures for storing collections of data; the other three are Tuple, Set, and Dictionary, all of which have different properties and application List items are ordered, changeable, and allow duplicate…