A ATTEMPT AT REFLECTION (RESILIENCE)

Resilience refers to how well you can deal with and bounce back from the difficulties of life. It can mean the difference between handling pressure and losing your cool. Resilient people tend to maintain a more positive outlook and cope with stress more effectively.While some people seem to come by resilience naturally, these behaviors can also be learned.

People who are able to come up with solutions to a problem are better able to cope with problems than those who cannot. Whenever you encounter a new challenge, make a quick list of some of the potential ways you could solve the problem. Experiment with different strategies and focus on developing a logical way to work through common problems. By practicing your problem-solving skills on a regular basis, we will be better prepared to cope when a serious challenge emerges.

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Spring Security with JWT for REST API

Spring is considered a trusted framework in the Java ecosystem and is widely used. It’s no longer valid to refer to Spring as a framework, as it’s more of an umbrella term that covers various frameworks. One of these frameworks is Spring Security , which is a powerful and customizable authentication and authorization framework. It is considered the de facto standard for securing Spring-based applications. Despite its popularity, I must admit that when it comes to single-page applications , it’s not simple and straightforward to configure. I suspect the reason is that it started more as an MVC application -oriented framework, where webpage rendering happens on the server-side and communication is session-based. If the back end is based on Java and Spring, it makes sense to use Spring Security for authentication/authorization and configure it for stateless communication. While there are a lot of articles explaining how this is done, for me, it was still frustrating to set it up for the f...

Java Functional Interfaces

The term Java functional interface was introduced in Java 8. A functional interface in Java is an interface that contains only a single abstract (unimplemented) method. A functional interface can contain default and static methods which do have an implementation, in addition to the single unimplemented method. Here is a Java functional interface example: public interface MyFunctionalInterface { public void execute(); } The above counts as a functional interface in Java because it only contains a single method, and that method has no implementation. Normally a Java interface does not contain implementations of the methods it declares, but it can contain implementations in default methods, or in static methods. Below is another example of a Java functional interface, with implementations of some of the methods: public interface MyFunctionalInterface2{ public void execute(); public default void print(String text) { System.out.println(t...

Java Logger

In Java, logging is an important feature that helps developers to trace out the errors. Java is the programming language that comes with the logging approach. It provides a Logging API that was introduced in Java 1.4 version. It provides the ability to capture the log file. In this section, we are going to deep dive into the Java Logger API. Also, we will cover logging level, components, Logging handlers or appenders, logging formatters or layouts, Java Logger class, What is logging in Java? In Java, Logging is an API that provides the ability to trace out the errors of the applications. When an application generates the logging call, the Logger records the event in the LogRecord. After that, it sends to the corresponding handlers or appenders. Before sending it to the console or file, the appenders format that log record by using the formatter or layouts. Need for Logging It provides the complete tracing information of the application. It records the critical failure if any occur in ...

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