We must know what a proxy is to design cloud systems and pass in the systems design interview. Proxy is powerful and useful to create an intermediary between the client and server. Let’s see what types of proxies we have, how they can be...
This Java Challenge will teach you how to intercept a method with Java. When you need to intercept a specific method for some reason, you can use the same technique of this Java Challenge! It’s useful this knowledge on your toolbelt! You can...
Can you take the new Java Challenge about Serialization right? Do you know how transient, static and volatile modifiers work? Watch this Java Challenge about Serialization and learn it by having fun! Get the code of the Java Challengers and run your...
Learn how to validate email with regex expressions by using metacharacter, quantifiers, range of characters, and numbers. Have fun with this Java Challenge and make your code better by going deep into the Java core concepts! Get the code of the Java...
Master the concept to intercept a method with Java and use the InvocationHandler interface effectively! Have fun with the Java Challenges and be able to kill tricky bugs really easily. When you master the language you are using, bugs have a hard...
To make code flexible and easy to maintain we must find a way to encapsulate and not repeat the code. What if we need to do a specific treatment every time we get an Exception? Would we repeat this code in the entire application? We could, but...