How to calculate date/time difference in Java
How to calculate the date and time difference in Java using a simple method of division and remainder of division.
How to compare dates in Java
How to compare dates in Java using Date (compareTo, before, after, equals), Calendar(before, after, equals) and LocalDate(isBefore, isAfter, equals) classes.
How to create Null Object Pattern in Java
How to create Null Object Pattern in Java. Simple example using object and null object class implementation.
Prepare ESXI vSphere USB drive boot image using MacOS.
How to prepare ESXI vSphere USB drive boot image using MacOS.
How to Format USB Flash Drive to FAT32 in macOS
How to Format USB Flash Drive to FAT32 in macOS in simple steps using Disk Utility.
Get and Set Field Value using Reflection in Java
How to get and set field value using reflection in Java. The tutorial covers all situations for a field: public, private and protected.
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