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Text lesson

subSequence()

Example

Extract a consecutive series of characters from within a string.

String myStr = "Hello, World!";
System.out.println(myStr.subSequence(7, 12));

Definition and Usage

The method subSequence() retrieves a subset of characters from the string and returns it as a CharSequence object.

Syntax

public CharSequence subSequence(int start, int end)

Parameter Values

Parameter	Description
start	Necessary: Provide the index of the character where the subsequence begins.
end	Necessary: Specify the index immediately following the last character of the subsequence.

Technical Details

Returns	A CharSequence containing a portion of the original string
Throws	The IndexOutOfBoundsException occurs when either the start or end parameters are negative, when start exceeds end, or when end surpasses the length of the string.
Java Version	1.4