Shell script to identify duplicate Java classes.
mkdir -p expanded
unzip path/to/my/i88ca.jar -d expanded
find ./expanded/lib -name '*.jar' | xargs -n1 zipinfo -1 | grep '.*.class' | sort | uniq -c | sort
MongoDB stores documents in collections
Collections are analogous to tables in relational databases. If a collection does not exist, MongoDB creates the collection when you first store data for that collection.
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