| Package | Description | 
|---|---|
| com.google.common.base | Basic utility libraries and interfaces. | 
| com.google.common.collect | This package contains generic collection interfaces and implementations, and
 other utilities for working with collections. | 
| Modifier and Type | Method and Description | 
|---|---|
| static Joiner | Joiner. on(char separator)Returns a joiner which automatically places  separatorbetween consecutive elements. | 
| static Joiner | Joiner. on(String separator)Returns a joiner which automatically places  separatorbetween consecutive elements. | 
| Joiner | Joiner. skipNulls()Returns a joiner with the same behavior as this joiner, except automatically skipping over any
 provided null elements. | 
| Joiner | Joiner. useForNull(String nullText)Returns a joiner with the same behavior as this one, except automatically substituting  nullTextfor any provided null elements. | 
| Modifier and Type | Method and Description | 
|---|---|
| String | FluentIterable. join(Joiner joiner)Returns a  Stringcontaining all of the elements of this fluent iterable joined withjoiner. | 
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