java - how can i use my executable_jar on ubuntu -

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i have created spark application on eclipse used maven build , package it, because os windows, had add line code able run on windows:

system.setproperty("hadoop.home.dir", "c:\\hadoop\\");

but , because want access cluster, have use ubuntu, , want use jar, know that line cause error because path doesn't exist on ubuntu, ask suggestion fix easily.

while running jar can specify properties 

java -dhadoop.home.dir=/var/hadoop -jar spark.jar

for may have remove line , can give hadoop home on run time


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