Java Utililty Methods File Name Get

if (fileName.lastIndexOf(".") == -1)
    return fileName;
return fileName.substring(0, fileName.lastIndexOf("."));

File f = new File(filePath);
String name = f.getName();
int pos = name.lastIndexOf('.');
if (pos > 0) {
    return name.substring(0, pos);
} else {
    return name;

String name = "";
try {
    String fileName = getFileName(originPath);
    name = fileName.substring(0, fileName.lastIndexOf('.'));
} catch (Exception e) {
    e.printStackTrace();
return name;
...

String filename = f.getName();
int i = filename.lastIndexOf(FILE_EXTENSION_SEPARATOR);
return i >= 0 ? filename.substring(0, i) : filename;

if (file == null) {
    return null;
String path = file.getName();
int dotAt = path.lastIndexOf('.');
if (dotAt < 0) {
    return null;
return path.substring(0, dotAt);

String fileName = file.getName();
int pos = fileName.lastIndexOf(".");
if (pos > 0) {
    fileName = fileName.substring(0, pos);
return fileName;

String fileName = null;
if (file == null) {
    throw new IllegalArgumentException("file cannot be null");
int fileExtensionIndex = file.getName().lastIndexOf(".");
if (fileExtensionIndex <= 0) {
    return file.getName();
fileName = file.getName().substring(0, fileExtensionIndex);
return fileName;

return getFileExtension(file.getName());

String filename = file.getName().trim();
if (filename.length() == 0)
    return "";
if (filename.charAt(filename.length() - 1) == '.')
    filename = filename.substring(0, filename.length() - 1);
int lastPointIndex = filename.lastIndexOf('.');
if (lastPointIndex < 0)
    return filename;
...

if (file == null)
    return null;
String fileExt = getFileExtension(file);
String fileName = file.getName();
return fileName.substring(0, fileName.length() - fileExt.length() - 1);