java.util.scanner - Unable to take multiple String input using scanner in java -


i have been trying program in have concat 3 strings in java.i taking input user using scanner.it compiles perfect when run it,it gives me error:

exception in thread "main" java.util.inputmismatchexception     @ java.util.scanner.throwfor(scanner.java:864)     @ java.util.scanner.next(scanner.java:1485)     @ java.util.scanner.nextint(scanner.java:2117)     @ java.util.scanner.nextint(scanner.java:2076)     @ night.main(night.java:10)

this code:

import java.lang.*;  import java.util.*;    class demo {  	public static void main(string[] args) {  		string fn;  		string mn;  		string ln;  		string fmn, lmn;  		scanner sc = new scanner(system.in);  		fn = sc.nextline();  		mn = sc.nextline();  		ln = sc.nextline();  		fmn = fn.concat(mn);  		lmn = fmn.concat(ln);  		system.out.println("the full name of candidate : " + lmn);  	}  }

i believe current code in demo class working fine. can check again?! exception night.main(night.java:10). if still have same error, can check if there night class in working space?!

hope help.


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