What is the back-end? We can think of back-end as applications that communicate with one another. In web development, back-end is a service that sends data to the front-end. When we create a front-end application, we create an interface for the user to interact with. …

JavaScript was originally designed to be used purely on the front end as a way for web developers to add functionality to their web pages Introduction of the “V8 engine” by Google has improved the speed and functionality of JS. That led to the development and release of exciting new…

HTML and CSS simplified CSS Styling Language Selector { property: value; property: value; } Many ways to achieve same result Priority (Tag > ID > Class >Element) Color — Hexadecimals (#FFFFFF, #RGB(255,255,255,1)) 1. Inline CSS First off, we can include CSS directly in our HTML elements. …

Testing the smallest piece of code that can be logically isolated in a system Developer can do quick and flexible test of his change. Annotations: @Test — Identifies a method as a test method. @Before — Executed before each test. It is used to prepare the test environment (e.g., …

Java’s Strength : Collections Multithreading Intent for today’s session Concepts Interview Q Variations of Hashtable: Hashmap Hashtable Linkedhashmap ConcurrentHashMap General contract associated with hashCode() method The hashCode() method should return the same integer value for the same object for each calling of this method unless the value stored in the…

Break into non-overlapping subproblems of the same type. Solve subproblems. Combine results 4+6+3+2+8+7+5+1