How do I use the Scanner class to read in sentence as 1 string?
From my code:
Scanner scan=new Scanner(System.in);
String message="";
System.out.println("Enter message: ");//get message to transmit
message=scan.next();
System.out.println("Message: " + message + " will be used for the simulation");I would like to store the user input as 1 string in the variable message; even if the user enters an entire sentence with whitespace. However, using next() does not do this (I believe it auto delimits at white space) and using nextLine() does not let the user even enter text. The command line looks like this:
Enter message:
Message: will be used for the simulation
I tried fiddling around with setting the delimit but the program would then hang after the user typed something. I'm assuming there's a simple way to do this that I'm missing.
This is part of a larger program which expects String message to be one string with all the user input. Thanks.
Edited by: csnoob on Apr 15, 2009 3:10 AM
Maybe you are confusing things somewhere but your code runs fine replacing next() with nextLine()
Scanner scan = new Scanner(System.in);
String message="";
System.out.println("Enter message: ");//get message to transmit
message=scan.nextLine();
System.out.println("Message: " + message + " will be used for the simulation");Mel
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Edited by: Sevan on Oct 18, 2008 4:40 PMjverd wrote:
Skydev2u wrote:
I've used this method for a while now and it gets the job done.
import java.util.Scanner;
public class ReadInput {
public static void main(String[] args) {
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I know you're trying to help, but this isn't really doing it. It does nothing to address the source of the OP's problem. The way he's doing it now is almost right. He just needs to do a tiny bit of detective work to fix a small bug. Tossing off a totally different approach, with no explanation, is not particularly helpful.Your right jverd I skimmed the OP's problem too quick;y and in tern didn't understand it fully. After reading the post thoroughly I saw that the problem can be solved by taking the sentence the user enters and then converting it into a array of characters. Then searching for the specific letter the user enters is achieved by comparing it to each individual element of the char array. Then incrementing a counter variable each time a match is made. I hope this example code solve your problem.
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