java - how to convert list of string to csv format -

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i want convert treeset of strings (which in java) csv format.

samle treeset :

    desktop/netbeans-7.1.2.desktop     downloads/jasper.jar     downloads/may_2012_report     netbeans-7.1.2-ml-linux.sh     ppt/ankit_ppt/cloudppt.ppt     ppt/ankit_ppt/dataplacement.pptx     ppt/vir047_wh06.ppt     pro1     rough     struts2     struts2-jquery-plugin-3.3.0.jar

sample csv format:

    desktop,0,desktop     desktop/netbeans-7.1.2.desktop,desktop,netbeans-7.1.2.desktop     downloads,0,downloads     downloads/jasper.jar,downloads,jasper.jar     downloads/may_2012_report,downloads,may_2012_report     netbeans-7.1.2-ml-linux.sh,0,netbeans-7.1.2-ml-linux.sh     ppt,0,ppt     ppt/ankit_ppt,ppt,ankit_ppt     ppt/ankit_ppt/cloudppt.ppt,ppt/ankit_ppt,cloudppt.ppt     ppt/ankit_ppt/dataplacement.pptx,ppt/ankit_ppt,dataplacement.pptx     ppt/vir047_wh06.ppt,ppt,vir047_wh06.ppt     pro1,0,pro1     rough,0,rough     struts2,0,struts2     struts2-jquery-plugin-3.3.0.jar,0,struts2-jquery-plugin-3.3.0.jar

regards, ankit


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