Java Utililty Methods File Name Create

List of utility methods to do File Name Create

  1. HOME
  2. Java
  3. F
  4. File Name Create

Description

The list of methods to do File Name Create are organized into topic(s).

Method

StringfileName(String filename)
file Name 
String name = "";
int i = filename.lastIndexOf('.');
int p = Math.max(filename.lastIndexOf('/'), filename.lastIndexOf('\\'));
if (i > p) {
    name = filename.substring(0, i);
return name;
Stringfilename(String filename)
filename 
return filename.replaceFirst("^~/", System.getProperty("user.home") + "/");
StringfileName(String name)
Return filename sans extension. 
String fname = pathName(name);
int index = name.indexOf(".");
if (index > 0)
    fname = fname.substring(0, index);
return fname;
Stringfilename(String name)
filename 
final String basename = basename(name);
final int idx = basename.indexOf('.');
if (idx >= 0 && idx < basename.length()) {
    return basename.substring(0, idx);
return name;
Stringfilename(String name, String ext)
Simply concatenates name with extension using dot. 
return name + "." + ext;
StringfileName(String path)
returns the filename from the given path 
int pos = Math.max(path.lastIndexOf('/'), path.lastIndexOf('\\'));
if (pos > 0) {
    return path.substring(pos + 1);
return path;
StringfileName(String path)
extract a file name from 'path' 
path = normalize(path);
return path.substring(path.lastIndexOf('/') + 1);
StringfileName(String path)
file Name 
if (path.endsWith("/")) {
    throw new IllegalArgumentException("path cannot end with a slash");
int indexOfLastSeparator = path.lastIndexOf('/');
if (indexOfLastSeparator == -1) {
    throw new IllegalArgumentException("path does not contain any slashes");
return path.substring(indexOfLastSeparator + 1);
...
Stringfilename(String prefix, String sep, String index)
Construct a filename 
return String.format("%s%s%s", prefix, sep, index);
StringFileName(String[] args)
File Name 
String name = null;
for (int i = 0; i < args.length; i++) {
    if (i == 0) {
        name = args[i];
    } else {
        name = name + "_" + args[i];
return name.toLowerCase() + ".txt";