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/*
Java String replace
example.
This Java String Replace
example describes how replace method of java String class can
be used to replace character or substring can be replaced by new
one.
*/
public class JavaStringReplaceExample{
public
static void
main(String args[]){
/*
Java String class defines
three methods to replace character or substring from the given
Java
String object.
1) String replace(int
oldChar, int newChar)
This method replaces
a specified character with new character and returns a new string
object.
2) String replaceFirst(String
regularExpression, String newString)
Replaces the first substring
of this string that matches the given regular expression with
the given new string.
3) String replaceAll(String
regex, String replacement)
Replaces the each substring
of this string that matches the given regular expression with
the given new string.
*/
String str="Replace Region";
/*
Replaces all occourances
of given character with new one and returns new String object.
*/
System.out.println( str.replace(
'R','A' ) );
/*
Replaces only first
occourances of given String with new one and returns new String
object.
*/
System.out.println( str.replaceFirst("Re",
"Ra")
);
/*
Replaces all occourances
of given String with new one and returns new String object.
*/
System.out.println( str.replaceAll("Re",
"Ra")
);
}
}
/*
OUTPUT of the above
given Java String Replace Example would be :
Aeplace Aegion
Raplace Region
Raplace Ragion
*/
