Java Utililty Methods Is Relative Path

List of utility methods to do Is Relative Path

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Description

The list of methods to do Is Relative Path are organized into topic(s).

Method

booleanisRelative(File target_)
is Relative 
if (target_ == null)
    return false;
String path = target_.getPath();
if (path == null)
    return false;
return path.startsWith(".");
booleanisRelative(final String path)
Determine whether a path name is relative. 
return path.isEmpty() || !isSeparator(path.charAt(0));
booleanisRelative(String path)
A simple way to check if the path is relative o absolute 
if (path.indexOf(File.separator) >= 0) {
    return false;
return true;
booleanisRelativePath(final String filePath)
is Relative Path 
final int filePathLength = filePath.length();
return !((filePathLength >= 1 && File.separatorChar == '/' && filePath.charAt(0) == '/')
        || (filePathLength >= 2 && File.separatorChar == '\\' && filePath.charAt(1) == ':'));
booleanisRelativePath(String candidatePath)
Determines if the supplied volume binding path contains a relative path. 
if (candidatePath.startsWith(UNIX_SEP) || candidatePath.startsWith(WINDOWS_SEP)
        || WINDOWS_DRIVE_PATTERN.matcher(candidatePath).matches()) {
    return false;
if (candidatePath.startsWith(DOT + RUNTIME_SEP) || candidatePath.startsWith(DOT + DOT + RUNTIME_SEP)) {
    return true;
if (candidatePath.contains(UNIX_SEP) || candidatePath.contains(WINDOWS_SEP)) {
...
booleanisRelativePath(String fileName)
Checks if a given file name contains relative path. 
if (fileName == null || fileName.indexOf(':') > 0 || fileName.startsWith("\\\\")) 
    return false;
if (File.separatorChar == '/') {
    return !fileName.startsWith(File.separator);
} else if (File.separatorChar == '\\') {
    File file = new File(fileName);
...
booleanisRelativePath(String path)
Indicates whether the provided path refers to a relative path rather than an absolute path. 
File f = new File(path);
return !f.isAbsolute();
booleanisRelativePath(String path)
is Relative Path 
if (path == null) {
    return false;
} else {
    return !new File(path).isAbsolute();
booleanisRelativePath(String path)
Is the given path relative 
if (path.startsWith("http:") || path.startsWith("ftp:") || path.startsWith("/")
        || path.startsWith(File.separator)) {
    return false;
if (path.substring(1, 2).equals(":")) {
    return false;
return true;
...
booleanisRelativePath(String path)
is Relative Path 
String osName = System.getProperty("os.name");
if (osName.toLowerCase().startsWith("linux")) {
    if (path.startsWith(File.separator)) {
        return false;
    } else {
        return true;
} else if (osName.toLowerCase().startsWith("windows")) {
...