One of the major feature of Java 8 is addition of Stream. It also has introduced the functional programming in Java. We will discuss different stream operations available in Collection, Array, IntStream with examples. We will also discuss the difference between Intermediate and Terminal operations.
Decorator design pattern is used to add a new feature on the existing object by wrapping it with a decorator class.
In this tutorial, We’ll learn how to create a Singleton Design Pattern using Java.
In this tutorial, we’ll learn about Immutable Class and its benefits in thread-safety, caching and collections. We will also look at rules to create immutable classes and eventually we’ll write an Immutable Class from scratch in Java.
Fibonacci series implementation in java is frequently asked question in interview at fresher level. Moreover, it is a very famous example to show how to use recursive function in java.
Bubble Sort is nothing but a comparison algorithm where -
This way large elements are moving towards the last indexes and hence small elements are moving towards the starting indexes which is also termed as smaller elements “bubble” to the top of the list that is why it is called bubble sort.
Implementation of Elevator or Lift has been asked in many interviews. I have tried to implement it using muti-threading and TreeSet. TreeSet is used to store incoming request. It is a good choice here as it removes the duplicate requests and implements NavigableSet which provide you methods such as floor and ceiling.
Elevator in this program implements following features -
Coding N Concepts