Util

java.lang.Object
- org.apache.commons.cli.Util

```
final class Util
extends java.lang.Object
```
Contains useful helper methods for classes within this package.

Field Summary

Fields
Modifier and Type Field Description

(package private) static java.lang.String[] EMPTY_STRING_ARRAY
An empty immutable String array.

Constructor Summary

Constructors
Modifier Constructor Description

private Util()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`(package private) static boolean`	`isEmpty(java.lang.Object[] array)`	Tests whether the given array is null or empty.
`(package private) static boolean`	`isEmpty(java.lang.String str)`	Tests whether the given string is null or empty.
`(package private) static java.lang.String`	`stripLeadingAndTrailingQuotes(java.lang.String str)`	Removes the leading and trailing quotes from `str`.
`(package private) static java.lang.String`	`stripLeadingHyphens(java.lang.String str)`	Removes the hyphens from the beginning of `str` and return the new String.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - EMPTY_STRING_ARRAY
```
static final java.lang.String[] EMPTY_STRING_ARRAY
```
    An empty immutable String array.
- Constructor Detail
  - Util
```
private Util()
```
- Method Detail
  - isEmpty
```
static boolean isEmpty(java.lang.Object[] array)
```
    Tests whether the given array is null or empty.
    
    Parameters:
    
    array - the array to test.
    
    Returns:
    
    the given array is null or empty.
  - isEmpty
```
static boolean isEmpty(java.lang.String str)
```
    Tests whether the given string is null or empty.
    
    Parameters:
    
    str - The string to test.
    
    Returns:
    
    Whether the given string is null or empty.
  - stripLeadingAndTrailingQuotes
```
static java.lang.String stripLeadingAndTrailingQuotes(java.lang.String str)
```
    Removes the leading and trailing quotes from str. E.g. if str is '"one two"', then 'one two' is returned.
    
    Parameters:
    
    str - The string from which the leading and trailing quotes should be removed.
    
    Returns:
    
    The string without the leading and trailing quotes.
  - stripLeadingHyphens
```
static java.lang.String stripLeadingHyphens(java.lang.String str)
```
    Removes the hyphens from the beginning of str and return the new String.
    
    Parameters:
    
    str - The string from which the hyphens should be removed.
    
    Returns:
    
    the new String.