CharSequences (Base Utilities API)

java.lang.Object
- org.openide.util.CharSequences

```
public final class CharSequences
extends java.lang.Object
```
Useful static methods to provide and work with memory efficient CharSequence implementations for ASCII strings.

Since:

8.3

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static java.util.Comparator<java.lang.CharSequence>`	`comparator()`	Provides optimized char sequences comparator
`static java.lang.CharSequence`	`create(char[] buf, int start, int count)`	Provides compact char sequence object like `String(char[], int, int)`
`static java.lang.CharSequence`	`create(java.lang.CharSequence s)`	Provides compact char sequence object like `String(String)`
`static java.lang.CharSequence`	`empty()`	Returns object to represent empty sequence ""
`static int`	`indexOf(java.lang.CharSequence text, java.lang.CharSequence seq)`	Implementation of `String.indexOf(String)` for character sequences.
`static int`	`indexOf(java.lang.CharSequence text, java.lang.CharSequence seq, int fromIndex)`	Implementation of `String.indexOf(String,int)` for character sequences.
`static boolean`	`isCompact(java.lang.CharSequence cs)`	Predicate to check if provides char sequence is based on compact implementation

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

Method Detail

create

public static java.lang.CharSequence create(char[] buf,
                                            int start,
                                            int count)

Provides compact char sequence object like String(char[], int, int)

create

public static java.lang.CharSequence create(java.lang.CharSequence s)

Provides compact char sequence object like String(String)

comparator

public static java.util.Comparator<java.lang.CharSequence> comparator()

Provides optimized char sequences comparator

Returns:: comparator

empty
```
public static java.lang.CharSequence empty()
```
Returns object to represent empty sequence ""

Returns:

char sequence to represent empty sequence

isCompact
```
public static boolean isCompact(java.lang.CharSequence cs)
```
Predicate to check if provides char sequence is based on compact implementation

Parameters:

cs - char sequence object to check

Returns:

true if compact implementation, false otherwise

indexOf

public static int indexOf(java.lang.CharSequence text,
                          java.lang.CharSequence seq)

Implementation of String.indexOf(String) for character sequences.

indexOf

public static int indexOf(java.lang.CharSequence text,
                          java.lang.CharSequence seq,
                          int fromIndex)

Implementation of String.indexOf(String,int) for character sequences.

Class CharSequences

Method Summary

Methods inherited from class java.lang.Object

Method Detail

create

create

comparator

empty

isCompact

indexOf

indexOf