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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7. /* Name of the class has to be "Main" only if the class is public. */
  8. class Ideone
  9. {
  10.  
  11.     public static void main(String[] args) throws IOException {
  12.         try {
  13.             Scanner input = new Scanner(System.in);//new File(file1.txt));
  14.             List<ArrayList<Integer>> a = new ArrayList<ArrayList<Integer>>();
  15.             int row=0;
  16.             String cols[] = input.nextLine().split(" ");
  17.             a.add(row, new ArrayList<Integer>());
  18.             for (int j = 0; j < cols.length; j++) {
  19.             	try {
  20.                      a.get(row).add(Integer.parseInt(cols[j]));        
  21.                }  catch (Exception e) {
  22.                }
  23.             }
  24.             row++;
  25.  
  26.             while (input.hasNextLine()) {
  27.             	a.add(row, new ArrayList<Integer>());
  28.             	for (int j = 0; j < cols.length; j++) {
  29.             	  try {
  30.                         a.get(row).add(input.nextInt());
  31.                   } catch (java.util.NoSuchElementException e) {
  32.                   }
  33.             	}
  34.             	row++;
  35.             }
  36.  
  37.           System.out.println("Rows: "+row+"  Columns: "+cols.length);
  38.            for (int i = 0; i < a.size(); i++) {
  39.            	for (int j = 0; j < a.get(i).size(); j++) {
  40.            		System.out.println("Number is "+ a.get(i).get(j));
  41.            	}
  42.            }
  43.  
  44.         } catch (Exception e) {
  45.             e.printStackTrace();
  46.         }
  47.     }
  48. }
Success #stdin #stdout 0.28s 38144KB
comments (?)
stdin 
4 3 -4 6
-1 10 4 -1
4 7 2 -8
stdout 
Rows: 4  Columns: 4
Number is 4
Number is 3
Number is -4
Number is 6
Number is -1
Number is 10
Number is 4
Number is -1
Number is 4
Number is 7
Number is 2
Number is -8
https://ideone.com/ZEcgPR
language:
Java (12.0.1)
created:
4 years ago
visibility:
public

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