Java Utililty Methods Path Is Absolute

boolean isAbsolute(final String path)
is Absolute

return path.startsWith("/") || isURL(path);

boolean isAbsolute(String aPath)
Determine if the given String represents an absolute path by checking if the string starts with a '/' or is a URI that starts with a scheme 'scheme:/'.

boolean absolute = false;
String path = aPath.replace('\\', '/');
if (path.indexOf(':') > 0 && path.indexOf('/') > path.indexOf(':')) {
 absolute = true;
else if (path.startsWith("/")) 
 absolute = true;
...

boolean isAbsolute(String path)
Check if a chunk path is absolute

return path != null && !path.isEmpty() && path.charAt(0) == '/';

boolean isAbsolute(String path)
Determines if a path is absolute or not by testing for the presence of "/" at the front of the string.

return path.startsWith("/");

boolean isAbsolute(String path)
Whether the path is absolute (starts with a slash) or not.

assert isValid(path);
return isAbsolutePath(path);

boolean isAbsolutePath(String filename)
Returns whether a filename represents an absolute path.

if (filename.startsWith("/") || filename.startsWith("~")) {
 return true;
if (filename.length() > 2 && Character.isLetter(filename.charAt(0)) && filename.charAt(1) == ':') {
 return true;
if (filename.startsWith("\\\\")) {
 return true;
...

boolean isAbsolutePath(String path)
is Absolute Path

boolean isWindows = getPlatform().startsWith("win");
if (isWindows)
 return path.length() > 1 && path.charAt(1) == ':';
return path.startsWith("/");

boolean isAbsolutePath(String path)
is Absolute Path

return path.startsWith("/");

boolean isAbsolutePath(String path)
is Absolute Path

if (path == null || path.trim().length() == 0) {
 throw new NullPointerException("Path can't be null or empty.");
return path.startsWith(SLASH);

boolean isAbsolutePath(String path)
is Absolute Path

String osNameStart = System.getProperty("os.name").substring(0, 3);
String fileSeparator = System.getProperty("file.separator");
if (osNameStart.equals("Win")) {
 return ((path.length() > 1) && path.substring(1, 2).equals(":")) || path.startsWith(fileSeparator);
} else if (osNameStart.equals("Mac")) {
 return path.startsWith(fileSeparator);
} else {
 return path.startsWith(fileSeparator);
...