calculate subnets

small java app i found from my apprenticeship 20 years ago to calculate subnets

start

javac Subnetting.java
java Subnetting

build jar

javac Subnetting.java
jar vcfe subnetting.jar Subnetting Subnetting.class ch/philiplehmann/*.class

run jar

java -jar subnetting.jar

cleanup

rm -rf **/*.class *.jar

release

gh release create v1.0.0 subnetting.jar