Log4j 2 JSON Configuration with Console Appender

The Java code example below to show you how to configure Log4j 2 with JSON configuration file to log messages to sytem console using Console appender.

Google Guava in Java to join String with Joiner

Java Code Examples for using com.google.common.base.Joiner class

Gradle Creating Executable JAR File

In this toturial we will show you how to configure Gradle build script to build the JAR file that can be executed by java command. In this article we just build the simple application without dependencies.

Apache Commons IO to get Readable File Size in KB MB GB TB

Java Code Examples for using byteCountToDisplaySize() method of org.apache.commons.io.FileUtils class

Apache Commons IO to get User Directory

Java Code Examples for using getUserDirectoryPath() and getUserDirectory() methods of org.apache.commons.io.FileUtils class

Apache Commons IO to get Temporary Directory

Java Code Examples for using getTempDirectoryPath() and getTempDirectory() methods of org.apache.commons.io.FileUtils class

Apache Commons IO to construct File from Directory and Name Elements using FileUtils

Java Code Examples for using getFile() method of org.apache.commons.io.FileUtils class

Apache Commons IO to delete directory using FileUtils

Java Code Examples for using deleteDirectory() method of org.apache.commons.io.FileUtils class

Apache POI Excel Cell Background Foreground and Font Color with 17 Java Code Examples

17 Java code examples below to show how to use different fill patterns to set up Excel cell background and forground using Apache POI library.

Apache POI Excel Cell Border and Border Color

13 Java code examples to show how to use Apache POI to generate Excel files with different cell border formats such as thin, thick, medium, dashed, dot, slanted, hair, double. These examples also include code to set color for Excel cell border.