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Comparing a 2 dimensional array to a single dimensional array in Java
public class ArrayCompare{

   public static void main (String []args){

      String words= "Hello this is a test";

      String delimiter=" ";
      String [] blocker=words.split(delimiter);

      String [][] grid= new String [100][100];

      grid[0]="Hello";

           if (grid[0].equals(blocker[0])){
                 System.out.print("Done!");
   }
        }
             }

grid[0][0]="Hello";

if (grid[0][0].equals(blocker[0]))

grid[0] = new String[100];
grid[0][0] = "Hello";
if (grid[0][0].equals(bloker[0])) {
    //your logic...
}

String [][] grid= new String [100][100];

  grid[0]="Hello";

grid[0][0]="Hello!";

d[0][0] = "Hello";

 if (grid[0][0].equals(blocker[0])){
System.out.print("Done!");
 }