-
Core Java
How to Count Hills and Valleys in Java Arrays
Pattern recognition in data is a common challenge in computational problems. One such pattern involves identifying “hills” and “valleys” in…
Read More » -
Core Java
Transform Future into CompletableFuture
In modern Java programming, handling asynchronous tasks efficiently is a critical skill. Java provides two key abstractions for dealing with…
Read More » -
Enterprise Java
How chain.doFilter() Works in a Java Spring Filter
When working with filters in Spring or Java/Jakarta EE, we might encounter the doFilter() method in the Filter interface. This…
Read More » -
Enterprise Java
Fixing “Unable to Find Region” Error in AWS Java SDK
The “Unable to find a region via the region provider chain” error is a common issue when using the AWS…
Read More » -
Core Java
Understanding @BeforeTest and @BeforeMethod in TestNG
In TestNG, annotations like @BeforeTest and @BeforeMethod play a crucial role in setting up the test environment. While they might…
Read More » -
Software Development
Selenium Drag And Drop Example
Drag-and-drop is a common user interface action in web applications that involves selecting an element and moving it to another…
Read More » -
Core Java
Java Collections Null Values Tolerance Limitations
In Java, the Collections Framework provides various data structures to store and manipulate data. However, not all collections handle null…
Read More » -
Core Java
Introduction to TransmittableThreadLocal (TTL)
Thread-local variables are a common feature in multithreaded Java programming, enabling data isolation for individual threads. However, they fall short…
Read More » -
Core Java
HashMap vs Dictionary In Java
In Java, HashMap and Dictionary are both data structures used to store key-value pairs. While they share some similarities, they…
Read More »
