Created
January 11, 2017 18:58
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Java File and Path methods
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import java.io.File; | |
import java.nio.file.Path; | |
import java.nio.file.Paths; | |
public class FileDemo { | |
public static void main(String[] args) throws Exception { | |
if( args.length != 1 ){ | |
System.err.println( "Usage: FileDemo file" ); | |
System.exit(1); | |
} | |
System.out.println( "*** Argument *****: " + args[0] ); | |
System.out.println(); | |
File f = new File(args[0]); | |
System.out.println( "--- File ---------" ); | |
System.out.println( "toString: " + f.toString() ); | |
System.out.println( "getName: " + f.getName() ); | |
System.out.println( "getAbsolutePath: " + f.getAbsolutePath() ); | |
System.out.println( "getCanonicalPath: " + f.getCanonicalPath() ); | |
System.out.println( "getParent: " + f.getParent() ); | |
System.out.println( "getPath: " + f.getPath() ); | |
System.out.println( "getCanonicalFile().getParent(): " + f.getCanonicalFile().getParent() ); | |
System.out.println(); | |
Path p = Paths.get(args[0]); | |
System.out.println( "--- Path ---------" ); | |
System.out.println( "toString: " + p.toString() ); | |
System.out.println( "getFileName: " + p.getFileName() ); | |
System.out.println( "toAbsolutePath: " + p.toAbsolutePath() ); | |
System.out.println( "normalize: " + p.normalize() ); | |
System.out.println( "getParent: " + p.getParent() ); | |
System.out.println( "getRoot: " + p.getRoot() ); | |
System.out.println( "getNameCount: " + p.getNameCount() ); | |
for( int i = 0; i < p.getNameCount(); i++ ) | |
System.out.println( " getName(" + i + ") " + p.getName(i) ); | |
System.out.println( "resolve(\"foo\"): " + p.resolve("foo") ); | |
System.out.println( "resolveSibling(\"foo\"): " + p.resolveSibling("foo") ); | |
System.out.println(); | |
} | |
} |
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Sample output: