Is it possible to zip and use java file in jar?

there are 2 cases:
1. only zip no-package java files in a jar file:
i.e.
------------zip
NoPack0.java (they are no package)
NoPack1.java
NoPackN.java
------------as NoPack.jar
2. zip both no-package and packaged java files in a jar file
i.e.
------------zip
NoPack0.java
NoPackN.java
pack\HasPack0.java (they are packed in 'pack')
pack\HasPackN.java
------------as HasPack.jar
my question is:
for 2 cases above, if both, one or none of them can be use as a jar file in -classpath for javac compiler?
thx

has my Q been answered?

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