Nov
22
2015
By abernal
Strings are chains of characters, sample of a string is :
I am a string
Strings representation
String can be represented with double quotes
"I am a string"
or with single quotes
´I am a string´
Strings concatenation
Strings can be concatenated with the plus simbol : +
' I am ' + 'a string'
Strings special characters
- New line
The new line symbol within a string is represented like this :
\n
Input sample
'I am a String \n with a new line'
Output sample
I am a String with a new line
- Tab
The tab symbol within a string is represented like this :
\t
Input sample
'I am a String \t with a tab'
Output sample
I am a String with a tab
- Scape
The scape symbol within a string is represented like this :
\
Input sample
'I am a String \"with scaped quotes\"'
Output sample
I am a String "with scaped quotes"
Strings length
The length function can be used with any string in order to get the length of the string, since it is basically an array of characters.
Input Sample
"0123456789".length
Output
10
Strings charAt function
This functions return the character specified at the given position
Input Sample
"0123456789".charAt(10)
Output
9