Question

I need to load (int) data from file. New line separates different data so it’s important to know where the new line is. I can use

string=readln(); 

and then I have whole line in that string. Then I can

string.trim("//s+") 

which chooses words(numbers) from string.

I can parse them to int:

int x = parseInt(string.trim("//s+").toString() );

Which should work (in theory) but it doesn’t! There is Java.lang.something, but no number!
How can I do it?

Answer 1

I like to use a set of two Scanners. One to read in the file line by line, assigning each new line to a temporary String, and another to read the line and gather the ints. Something like this:

Scanner sc = new Scanner(inputfile);
Scanner scanLine;
String line;
while(scanLine.hasNextLine())
{
line = sc.nextLine(); 
scanLine = new Scanner(line);
firstInt = scanLine.nextInt();
...
}