Splitting a string with a space

Question

I have a list of names (first and last). I need find a way to split at the " " and ONLY print the last name to the console. I have this currently, but, of course, it's still printing the first name.

for (int i=0; i<players.size(); i++) { String s = players.get(i).toString(); for(String token:s.split(" ")) System.out.println(token);

Please specify the language you want to use... That's what tags are for. — Floris
– Floris, Commented Oct 23, 2013 at 23:22
Create the token array, then print the last element. That is assuming the last name has no spaces in it. Sorry, that is a terrible assumption. — Floris
– Floris, Commented Oct 23, 2013 at 23:24

Prateek · Accepted Answer · 2013-10-24 02:29:22Z

2

No need to use internal for loop. Change it as shown below.

for (int i=0; i<players.size(); i++) { String s = players.get(i).toString(); String [] token = s.split(" "); System.out.println(token[token.length -1]); }

edited Oct 24, 2013 at 2:29

answered Oct 23, 2013 at 23:23

Prateek

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10 Comments

Floris Over a year ago

Unless the name is Jack the Ripper. "Hello Mr. The!"

pburka Over a year ago

That won't work if a person has only one name (Cher, Prince, Elizabeth), nor will it work if the person has a double first name (Billy Ray Cyrus).

Prateek Over a year ago

Yeah. It won't handle these cases. But going by what OP has posted I don't think he cares to handle these cases.

Floris Over a year ago

SO is meant to be a collaborative platform... Just doing my bit!

FThompson Over a year ago

@Trying While I agree that the statement is unnecessary, I disagree with your reason as to why. The null-check is unnecessary because split doesn't return null array elements.

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pburka · Accepted Answer · 2013-10-23 23:24:50Z

In Java, String.split() returns an array of tokens. Instead of iterating over the array and printing each one, store the array in a temporary variable (say String[] tokens) and just print the last one. (You can use tokens.length to find out how long the array is.)

Trying · Accepted Answer · 2013-10-24 01:08:47Z

for (int i=0; i<players.size(); i++) { String s = players.get(i).toString(); String[] str=s.split(" ") System.out.println(str[str.length-1]); }

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