View difference between Paste ID: 2PXcCYNz and hAud2yPe

 import java.util.*;
 
 public class q4
 {
 	public static void main (String[] args)
 	{
 		Scanner s = new Scanner(System.in);
 
 
-		int counter = s.nextInt();
+		String[][] grid = new String[4][4];
-		String[][] con4 = new String[4][4];
+
-		for (int a = 0; a <= counter; a++)
+		int counter = Integer.parseInt(s.next());
 
-			for(int i = 0; i <= 4; i++)
+		for (int i = 1; i <=counter; i++)
 		{
-				for(int j = 0; j <= 4; j++)
+			for (int j = 0; j < grid.length; j++)
 			{
-					String value = s.next();
+				for (int k = 0; k < grid[0].length; k++)
-					con4[i][j] = value;
+
 					grid[j][k] = s.next();
 				}
-		}
+
 
 			//Working on the actual checking process
 			/*for (int j = 0; j < grid.length; j++)
 			{
 				for (int k = 0; k < grid[0].length; k++)
 				{
 					grid[i][j] = s.next();
 				}
 			}*/
 		}
 	}
 }