Programming

URL: https://www.progressiverobot.com/log4j-levels-example-order-priority-custom-filters/ If you have used log4j, you will notice that there are many methods to log messages. For example: logger.trace("My Log message"); logger.debug("My Log message"); logger.info("My Log message"); Actually they corresponds to log4j levels. Log4j Levels Log4j provides many logging levels. Below is the complete list. TRACE: The TRACE Level designates finer-grained informational events […]

Learn what public static void main(String[] args) means in Java. Understand each keyword’s purpose and how the main method powers Java programs.

URL: https://www.progressiverobot.com/serialization-in-java/ Serialization in Java was introduced in JDK 1.1 and it is one of the important feature of [Core Java](/community/tutorials/core-java-interview-questions-and-answers "Core Java Interview Questions and Answers"). Serialization in Java  Serialization in Java allows us to convert an Object to stream that […]

URL: https://www.progressiverobot.com/static-keyword-in-java/ static keyword in Java is used a lot in java programming. Java static keyword is used to create a Class level variable in java. static variables and methods are part of the class, not the instances of the class. static keyword in java  Java static keyword can […]