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Blinking LED on Raspberry Pi using Java

21 March 2017
ADM

How to make a LED blinking on Raspberry Pi using Java. Simple sample code using pi4j library.

How to convert VMware to VirtualBox virtual machine

07 March 2017
ADM

How to convert VMware to VirtualBox virtual machine. Export done using OVFtool to .ovf file. Easy import to VirtualBox.

How to convert VirtualBox to VMware virtual machine

07 March 2017
ADM

How to convert VirtualBox to VMware virtual machine. Converting your existing VM to OVF you will be able to import it into another virtual machine program.

log4j.properties basic examples

09 February 2017
ADM

log4j.properties basic examples. Output to the console and to the file.

How to copy files in Java

18 January 2017
ADM

How to copy files in Java with three examples: Classic method with streams, using FileChannel class and using Files class.

How to compare dates in Java

04 February 2020
ADM

How to compare dates in Java using Date (compareTo, before, after, equals), Calendar(before, after, equals) and LocalDate(isBefore, isAfter, equals) classes.