queue of array elements in java

Question

i am a beginner in java and i have an exercise for homework!i want to find the shortest path in a map! i will do the bfs algorithm! i read the map and i put the chars in a array!After that i want to do bfs in the array so i want to make a queue of elements with two fields, for example a queue that every element is an array [2], in order to put in the first field the array position of the element and in the other one the cost to get there!Any ideas how to do this??Thank you a lot for your time and your help! i tried this but it didn't work!

    Queue  <int []> queue = new LinkedList <int []> ();
    int [] start = {thesi,0};

thesi is the first element of the array in which i want to save the position! — Ηλίας Παλαιολόγος
– Ηλίας Παλαιολόγος, Commented Jun 5, 2013 at 23:47
Please improve your post by fixing the formatting and a proper code snippet. — Seeta Somagani
– Seeta Somagani, Commented Jun 6, 2013 at 0:03
You must import this classes. Use "import" statement before class declaration. — Badaro
– Badaro, Commented Jun 6, 2013 at 0:42

Badaro · Accepted Answer · 2013-06-06 01:11:40Z

2

You need to import java.util.Queue and java.util.LinkedList, the same way you did with java.io.File. See this link for more information.

 import java.util.Queue;
 import java.util.LinkedList;

 import java.io.File;
 import java.io.FileNotFoundException;

 import java.util.Scanner; 

 public class ask1 {

    public static void main(String[] args) {
       // your code...
    }
 }

answered Jun 6, 2013 at 1:11

Badaro

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