Pattern Matching in instanceof
Bye Bye Explicit casts
Dec 1, 20212 min read
Command Palette
Search for a command to run...
Latest articles
Pattern matching comes to Switches in Java
Switches in Java lacked an option to match a value based on an expression that is computed at runtime(similar to C). So the values against which a value can be matched should be constant known at compile time. Below is the current format of switch th...
Nov 30, 20213 min read
Java Sealed Type
Polymorph a step better
Nov 29, 20213 min read
Java Records
Immutable data carriers
Nov 28, 20212 min read
Understanding the need for Thread-Safe variables using a basic counter in Java
Parallelization is being done to use the number of cores available in servers and to reduce the time taken for execution. But if race condition isn't handled properly for required variables, it could create unexpected issues in our application. First...
Dec 18, 20206 min read
Understanding inode in Linux systems
An inode is a file(everything in a Linux is a file!!!) which stores information on how and where data of a file is stored in blocks in the hard disk. If inode usage reaches 100%, no new files can be created in a server. Here is Wikipedia definition ...
Nov 16, 20205 min read
Abstract dependencies to reduce technical debt
In Object-Oriented programming language like java, an Object is created using a new keyword. But using the new keyword for all dependencies will make the class bind to that dependency for its whole lifetime. For example, consider a class which has a ...
Sep 27, 20202 min read
Tune your Apache Tomcat servers for your load
With tomcat 8.xx and above, tomcat uses NIO2/APR as a connector by default which foregoes one thread for each incoming request model(BIO). It uses a common thread pool for accepting requests which then forwards the requests for processing threads if ...
Sep 15, 20203 min read
Subtle difference between __dirname and process.cwd() in node.js
Getting the current working directory(CWD) is one of the basic and most important features in a product. In Node.js, CWD can be obtained with either __dirname variable or process.cwd(). But the output returned by each command differs based on the fol...
Aug 29, 20201 min read