StringUtils (Apache Gora 0.6 API)

```
public class StringUtils
extends Object
```
An utility class for String related functionality.

Constructors
Constructor and Description
`StringUtils()`

Methods
Modifier and Type	Method and Description
`static String`	`getClassname(Class<?> clazz)` Returns the name of the class without the package name.
`static String`	`getClassname(String classname)` Returns the name of the class without the package name.
`static boolean`	`is(String str)` helper for string null and empty checking
`static String`	`join(List<String> strs)`
`static String`	`join(String[] strs)`
`static StringBuilder`	`join(StringBuilder builder, Collection<String> strs)`
`static StringBuilder`	`join(StringBuilder builder, String[] strs)`
`static String[]`	`joinStringArrays(String[] arr1, String... arr2)` Joins the two given arrays, removing dup elements.
`static int`	`parseInt(String str, int defaultValue)`
`static LinkedHashSet<Set<String>>`	`powerset(String[] set)` Returns the power set from the given set by using a binary counter Example: S = {a,b,c} P(S) = {[], [c], [b], [b, c], [a], [a, c], [a, b], [a, b, c]}

public static String[] joinStringArrays(String[] arr1,
                        String... arr2)

Joins the two given arrays, removing dup elements.

public static String join(List<String> strs)

public static String join(String[] strs)

public static StringBuilder join(StringBuilder builder,
                 Collection<String> strs)

public static StringBuilder join(StringBuilder builder,
                 String[] strs)

is
```
public static boolean is(String str)
```
helper for string null and empty checking

public static int parseInt(String str,
           int defaultValue)

getClassname
```
public static String getClassname(Class<?> clazz)
```
Returns the name of the class without the package name.

getClassname
```
public static String getClassname(String classname)
```
Returns the name of the class without the package name.

Class StringUtils