| Line of code: | New String |
|---|---|
String line = "buttercup" ; |
"buttercup" |
String a = line.substring( 0, 6 ); |
"butter" |
String b = line.substring( 6, 9 ); |
"cup" |
String c = line.substring( 0, 1 ); |
"b" |
String d = line.substring( 0, 0 ); |
"" |
String e = line.substring( 5, 5 ); |
"" |
String f = line.substring( 4, line.length()+1 ); |
EXCEPTION |
String g = line.substring( 6, 3 ); |
EXCEPTION |
substring()
Play with substring() with the following demonstration.
The parameters for substring() must be
integer literals like 0 or 12.
Try some other strings than the one suggested. Be sure to enclose the characters of the string with quote marks. (However, the demonstration does not support escape characters in the string, so don't try tab characters.)
The resulting string may sometimes be the empty string or contain spaces.
The quote marks in the result are not part of the string that the substring method produces.
If the demonstration does not work on your computer, Javascript might not be enabled. Just skip this page.
Is the following correct? What string does it create?
String str = "buttercup" ; str = str.substring(3).substring(1,4);