MIT-Curricular/OOP/Java/Lab/Week10/Valid_matrix.java

30 lines
774 B
Java

import java.util.*;
class InvalidMatrixException extends Exception
{
public String toString()
{
return "InvalidMatrixException:this is an Invalid Matrix";
}
}
public class Valid_matrix {
public static void main(String[] args) {
int row,col;
Scanner in=new Scanner(System.in);
System.out.println("Enter the number of rows and columns");
row=in.nextInt();
col=in.nextInt();
try
{
if(row!=col)
{
throw new InvalidMatrixException();
}
System.out.println("This is a valid matrix");
}
catch(InvalidMatrixException e)
{
System.out.println(e.toString());
}
}
}