| Package | Description | 
|---|---|
| java.util | Contains the collections framework, legacy collection classes, event model,
date and time facilities, internationalization, and miscellaneous utility
classes (a string tokenizer, a random-number generator, and a bit array). | 
| Modifier and Type | Method and Description | 
|---|---|
| StringJoiner | StringJoiner. add(CharSequence newElement)Adds a copy of the given  CharSequencevalue as the next
 element of theStringJoinervalue. | 
| StringJoiner | StringJoiner. merge(StringJoiner other)Adds the contents of the given  StringJoinerwithout prefix and
 suffix as the next element if it is non-empty. | 
| StringJoiner | StringJoiner. setEmptyValue(CharSequence emptyValue)Sets the sequence of characters to be used when determining the string
 representation of this  StringJoinerand no elements have been
 added yet, that is, when it is empty. | 
| Modifier and Type | Method and Description | 
|---|---|
| StringJoiner | StringJoiner. merge(StringJoiner other)Adds the contents of the given  StringJoinerwithout prefix and
 suffix as the next element if it is non-empty. | 
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