Fazle Rabbi vs 2

public class FazleRabbi implements Matrix
{
  private int [][] inMatrix1;
  private int [][] inMatrix2;
  private int [][] outMatrix;
public FazleRabbi(int m1[][],int m2[][])
{
inMatrix1=m1;
inMatrix2=m2;
}
 public boolean check()
 {
   boolean flag=false;
 if(inMatrix1.length==inMatrix2.length&&inMatrix1[0].length==inMatrix2[0].length)
 {
  flag=true;
 }
 return flag;
 }
 
 public int[][] calculation()
 {
   int c= inMatrix1.length;
    int r=inMatrix2[0].length;
    int [][] outMatrix=new int [c][r];
  for(int counter=0;counter<c;counter++){
    for(int counter1=0;counter1<r;counter1++){
  outMatrix[counter][counter1]=inMatrix1[counter][counter1]-inMatrix2[counter][counter1];
  }
  }
  return outMatrix;
}
}