In this post, our goal is to create an understanding of how HashMaps work internally. More often that not, we use HashMaps without knowing much about its inner workings. However, in many interview settings, a developer is expected to know about it. Also, while writing real production code, it is Read more…
In this post, we will go through everything you need to know about using Java HashMap with examples. In the subsequent post, we will also be looking into the internal functioning of a Java HashMap that will help clarify the concepts behind a HashMap. 1 – What is a HashMap? Read more…
Java Array List is possibly the most commonly used data structure from the Java Collections framework. More often than not, this is the first option we try to explore when trying to store a list of items in any program. In this post, we will discuss the properties of Java Read more…
Java comes with its own implementation of Linked List. The Java Linked List is actually a doubly-linked list implementation of the List and Dequeue interfaces. 1 – How to use the Java Linked List 1.1 – Create a Linked List We can create a new Java Linked List as below: Read more…
Java TimerTask provides a way to schedule a task using the standard Java Timer class. This is quite handy when we want to run a task at regular time intervals. Another practical application of this feature is to perform a hard timeout on HTTP calls when the user experience is Read more…
HTTP Request is a common integration approach used for building any reasonably sized application. However, just like in real life, a request is just a request and there is no guarantee a request would receive an appropriate response. So what should be a developer do in this case? In real-life Read more…