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Thread: how do i split a string into two parts and test if the second part of string is empty

  1. #1
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    Default how do i split a string into two parts and test if the second part of string is empty

    Hi guys i am trying to divide a single string into two parts but am having abit of a problem here. i am getting a wrong error message. i wanted to get the invalidnameexception error but instead i am getting a arrayindexoutofbound error.

    Is there other way that i can split the string and test if the second string is empty would like to print out the invalidnameexception. i have done alot of research but i just cant seem to find the problem.
    import java.util.Scanner;
    import javax.naming.InvalidNameException;
    public class Name{
     
    	public static void printName(String name) throws InvalidNameException{
     
    		String[] seperator = name.split(" ");
    		String firstName = seperator[0];
    		String lastName = seperator[1];
     
     
    		for (int i=0; i<seperator.length; i++) {
            if (seperator[i] == null) 
               throw new InvalidNameException("invalid name!");
     
     
     
     
            }
     
    		System.out.println(firstName);
    		System.out.println(lastName);
     
     
     
     
     
     
    		}
     
     
    	public static void main(String[] args){
    		    	Scanner kb = new Scanner(System.in);
    		    	System.out.println("please enter name:");
    		    	String fullname = kb.nextLine();
     
     
    		try{
    			Name.printName(fullname);
     
    			}catch (InvalidNameException e1){
    				System.out.println(e1);
    				}
     
    		}
     
     
     
     
     
     
    	}
    Last edited by helloworld922; October 26th, 2012 at 10:32 AM. Reason: please use [code] tags


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    Default Re: how do i split a string into two parts and test if the second part of string is e

    The reason you're getting an ArrayOutOfBoundException is because after using the split on a single word (without spaces) you do not have 2 values in your array, so you should first make sure there are atleast 2 values in your array, if there isn't then you already know the person entered an invalid name.

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    Junior Member psabbate's Avatar
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    Default Re: how do i split a string into two parts and test if the second part of string is e

    You should use something like this
    /**Code removed by moderator*/

    Sorry about the format!
    Last edited by jps; October 26th, 2012 at 02:18 PM. Reason: spoonfeeding
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    Default Re: how do i split a string into two parts and test if the second part of string is e

    @psabbate Please read the problem with spoonfeeding.

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