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Compile Program
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javac ParentsOfFilenamePath.java


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Run Program
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java ParentsOfFilenamePath


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Program Output
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Original Filename   = README_InputFile.txt
Parent Path         = null
Parent Directory    = null

Original Filename   = \u01\app\oracle\README_InputFile.txt
Parent Path         = \u01\app\oracle
Parent Directory    = \u01\app\oracle

Original Filename   = \u01\app\oracle
Parent Path         = \u01\app
Parent Directory    = \u01\app

Original Filename   = \u01\app
Parent Path         = \u01
Parent Directory    = \u01

Original Filename   = \u01
Parent Path         = \
Parent Directory    = \

Original Filename   = \
Parent Path         = null
Parent Directory    = null