Solved

Scanner class for String

Posted on 2006-11-19
3
212 Views
Last Modified: 2010-03-31
String user_input[] = sc.next();

received an error "incompatible types - found java.lang.String but expected java.lang.String[]"

any idea how to fix this?
0
Comment
Question by:ishcmc
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 2
3 Comments
 
LVL 23

Expert Comment

by:Ajay-Singh
ID: 17974125
next() returns String http://java.sun.com/j2se/1.5.0/docs/api/java/util/Scanner.html#next()


You can use findInLine method, combined with regex:

     String input = "1 fish 2 fish red fish blue fish";
     Scanner s = new Scanner(input);
     s.findInLine("(\\d+) fish (\\d+) fish (\\w+) fish (\\w+)");
     MatchResult result = s.match();
     for (int i=1; i<=result.groupCount(); i++)
         System.out.println(result.group(i);
     s.close();
0
 
LVL 86

Accepted Solution

by:
CEHJ earned 500 total points
ID: 17974135
If you want to assign to an array, you'll have to construct one big enough first:

String user_input[] = new String[64];
int inputIndex = 0;
user_input[inputIndex++] = sc.next();




0
 
LVL 86

Expert Comment

by:CEHJ
ID: 17981680
:-)
0

Featured Post

Enroll in June's Course of the Month

June's Course of the Month is now available! Every 10 seconds, a consumer gets hit with ransomware. Refresh your knowledge of ransomware best practices by enrolling in this month's complimentary course for Premium Members, Team Accounts, and Qualified Experts.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Introduction Java can be integrated with native programs using an interface called JNI(Java Native Interface). Native programs are programs which can directly run on the processor. JNI is simply a naming and calling convention so that the JVM (Java…
Introduction This article is the second of three articles that explain why and how the Experts Exchange QA Team does test automation for our web site. This article covers the basic installation and configuration of the test automation tools used by…
Viewers learn about the “for” loop and how it works in Java. By comparing it to the while loop learned before, viewers can make the transition easily. You will learn about the formatting of the for loop as we write a program that prints even numbers…
Viewers will learn about the regular for loop in Java and how to use it. Definition: Break the for loop down into 3 parts: Syntax when using for loops: Example using a for loop:

717 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question