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  1. import java.util.List;
  2. import java.util.ArrayList;
  3.  
  4. public class Main {
  5.   public static void main(String[] args) {
  6.     List<List<Character>> maze = new ArrayList<List<Character>>();
  7.     List<Character> aRow = new ArrayList<Character>();
  8.     aRow.add('a');
  9.     aRow.add('b');
  10.     aRow.add('c');
  11.  
  12.     maze.add(aRow);
  13.  
  14.     List<Character> anotherRow = new ArrayList<Character>();
  15.     anotherRow.add('d');
  16.     anotherRow.add('e');
  17.     anotherRow.add('f');
  18.     maze.add(anotherRow);
  19.  
  20.     for (List<Character> row: maze) {
  21.       for (Character c : row) 
  22.         System.out.print(c+" ");
  23.       System.out.println();
  24.     }
  25.   }
  26. }
  27.  
  28.  
Success #stdin #stdout 0.07s 380224KB
comments (?)
stdin
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Standard input is empty
stdout
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a b c 
d e f
https://ideone.com/UmlmI6
language:
Java (HotSpot 12)
created:
12 years ago
visibility:
public

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