java.lang.CharSequence Interface Reference

Inheritance diagram for java.lang.CharSequence:

Public Member Functions
int	length ()
char	charAt (int index)
CharSequence	subSequence (int start, int end)
String	toString ()

Detailed Description

This interface represents an ordered set of characters and defines the methods to probe them.

Member Function Documentation

charAt()

char java.lang.CharSequence.charAt

(

int

index

)

Returns the character at the specified index, with the first character having index zero.

Parameters

index

the index of the character to return.

Returns

the requested character.

Exceptions

IndexOutOfBoundsException

if index < 0 or index is greater than the length of this sequence.

Implemented in java.lang.String.

length()

int java.lang.CharSequence.length

(

)

Returns the number of characters in this sequence.

Returns

the number of characters.

Implemented in java.lang.String.

subSequence()

CharSequence java.lang.CharSequence.subSequence	(	int	start,
		int	end
	)

Returns a

CharSequence 

from the

start 

index (inclusive) to the

end 

index (exclusive) of this sequence.

Parameters

start	the start offset of the sub-sequence. It is inclusive, that is, the index of the first character that is included in the sub-sequence.
end	the end offset of the sub-sequence. It is exclusive, that is, the index of the first character after those that are included in the sub-sequence

Returns

the requested sub-sequence.

Exceptions

IndexOutOfBoundsException

if start < 0 , end < 0 , start > end , or if start or end are greater than the length of this sequence.

Implemented in java.lang.String.

toString()

String java.lang.CharSequence.toString

(

)

Returns a string with the same characters in the same order as in this sequence.

Returns

a string based on this sequence.

Implemented in java.lang.String.

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The documentation for this interface was generated from the following file:

• src/java/lang/CharSequence.java