public static boolean equal(Path path1, Path path2) throws IOException {
    checkNotNull(path1);
    checkNotNull(path2);
    if (Files.isSameFile(path1, path2)) {
      return true;
    }

    /*
     * Some operating systems may return zero as the length for files denoting system-dependent
     * entities such as devices or pipes, in which case we must fall back on comparing the bytes
     * directly.
     */
    ByteSource source1 = asByteSource(path1);
    ByteSource source2 = asByteSource(path2);
    long len1 = source1.sizeIfKnown().or(0L);
    long len2 = source2.sizeIfKnown().or(0L);
    if (len1 != 0 && len2 != 0 && len1 != len2) {
      return false;
    }
    return source1.contentEquals(source2);
  }
public static boolean equal(Path path1, Path path2) throws IOException {
    checkNotNull(path1);
    checkNotNull(path2);
    if (Files.isSameFile(path1, path2)) {
      return true;
    }

    
    ByteSource source1 = asByteSource(path1);
    ByteSource source2 = asByteSource(path2);
    long len1 = source1.sizeIfKnown().or(0L);
    long len2 = source2.sizeIfKnown().or(0L);
    if (len1 != 0 && len2 != 0 && len1 != len2) {
      return false;
    }
    return source1.contentEquals(source2);
  }
public static boolean equal ( Path path1 , Path path2 ) throws IOException { checkNotNull ( path1 ) ; checkNotNull ( path2 ) ; if ( Files . isSameFile ( path1 , path2 ) ) { return true ; } /*
     * Some operating systems may return zero as the length for files denoting system-dependent
     * entities such as devices or pipes, in which case we must fall back on comparing the bytes
     * directly.
     */ ByteSource source1 = asByteSource ( path1 ) ; ByteSource source2 = asByteSource ( path2 ) ; long len1 = source1 . sizeIfKnown ( ) . or ( 0L ) ; long len2 = source2 . sizeIfKnown ( ) . or ( 0L ) ; if ( len1 != 0 && len2 != 0 && len1 != len2 ) { return false ; } return source1 . contentEquals ( source2 ) ; }
Returns true if the files located by the given paths exist, are not directories, and contain
the same bytes.

@throws IOException if an I/O error occurs
@since 22.0
Returns true if the files located by the given paths exist are not directories and contain the same bytes .