Java Reference
In-Depth Information
The output from the program is shown here:
Operating on Strings
The
String
class contains several methods that operate on strings. Here are the general
forms for a few:
boolean
equals(
str
)
Returns true if the invoking string contains the same character sequence
as
str
.
int length( )
Obtains the length of a string.
char charAt(
in-
dex
)
Obtains the character at the index specified by
index
.
Returns less than zero if the invoking string is less than
str
, greater than
zero if the invoking string is greater than
str
, and zero if the strings are
equal.
int indexOf(
str
)
Searches the invoking string for the substring specified by
str
. Returns
int com-
pareTo(
str
)
the index of the first match or -1 on failure.
