Java

Below is not a complete, but a work-in-progress of the different topic that every senior Java Web Developer should know. Please comment on what you think should be added to this list! I will be adding more topics to this as time goes! JSP JSP Tag – How do you Read more…

In this post, I will show a code snippet showing how to check if a String contains an element from an array in Java. Java 8 If you can utilize Java 8, then follow the snippet below. In this snippet, we will use the Arrays API with Stream in parallel. Read more…

This post is about getting specific number of digits of random numbers in Java. We will be using the Random API from Java for this. Let’s assume we want 5 random integers from 0 to a 1000. Then, we will use the following code snippet: As it can be seen, Read more…

Many interview questions deal with Binary Search Trees (BSTs). In this post, I will write a method of validating if a BST is valid. To understand this algorithm, we need to understand how BSTs work. These are the common properties of a BST: The data stored at each node is Read more…