input file

**rudy** · 05-15-2006, 09:39 PM

ok im building a graph(adjacency list) and i want to know if someone can please explain to me how to read from a file('sample.txt') in such a way that i want only certain characters inputed to the list for vertex, edges etc.?

**Phaelax** · 05-17-2006, 09:19 AM

There's more than enough tutorials online, all you have to do is search google for "java how to read text files"

It's up to you to parse the data read in from the file to pick out the different vertex and edge values. You can look at either the StringTokenizer class or String.split() method.

**jetbrains** · 05-17-2006, 10:53 PM

Originally Posted by rudy

ok im building a graph(adjacency list) and i want to know if someone can please explain to me how to read from a file('sample.txt') in such a way that i want only certain characters inputed to the list for vertex, edges etc.?

Please see below tutorial
http://www.javaresources.biz/content...e002c&item=I/O