log4j.xml Examples
Here’s an XML version of log4j properties file, just for sharing. Redirect the logging to console. Redirect the logging to a file. Full example to output the logging to both…
log4j.properties examples
I can’t find many log4j.properties examples, here are a few log4j.properties examples that are used in my project, just for sharing. All logging will be redirected to your console. All…
Logback – Set log file name programmatically
In Logback, it is easy to set a log file name programmatically : 1 - In logback.xml, declares a variable like ${log.name}, 2 - In Java, set the variable via…
Logback – different log file for each thread
In this tutorial, we will show you how to use Logback Mapped Diagnostic Context (MDC) and SiftingAppender to create a separate log file for each thread.
logback.xml Examples
Here are a few logback.xml examples that are used in my projects, just for sharing. All logging will be redirected to console. All logging will be redirected to a file…
SLF4J Logback Tutorial
A simple SLF4J with Logback example. Tested with: SLF4J API 1.7.25, Logback 1.2.3, Maven 3, Java 8. Note: Logback natively implements the SLF4J API.
Gson – How to convert Java object to / from JSON
In this tutorial, we will show you how to use Gson to convert Java object to / from JSON. The toJson() – Convert Java objects to JSON and fromJson() –…
Gson – How to parse JSON
Gson provide simple toJson() and fromJson() methods to convert Java objects to / from JSON. The toJson() – Java object to JSON and fromJson() – JSON to Java object
Java 8 – MinguoDate examples
This MinguoDate calendar system is primarily used in Taiwan (Republic of China…). To convert the current date to the Minguo date, just subtracts the current year with number 1911
How to calculate elapsed / execute time in Java
In Java, you can use the following ways to measure elapsed time in Java: System.nanoTime() - This is the recommended solution to measure elapsed time in Java. We also can…