import javax.swing.*;
import javax.swing.table.*;

public class GetRowsAndCols{
	public static void main(String[] args) {
		new GetRowsAndCols();
	}
	public GetRowsAndCols(){
		JFrame frame = new JFrame("Getting Rows and Columns from a Table!");
		JPanel panel = new JPanel();
		String data[][] = {{"Vinod","5000","Java"},{"Deepak","14000","developer"},{"Sushil","20000","writter"},{"Chandan","15000","Programmer"}};
		String col[] = {"Emp_name","Emp_sal","Depart"};
		JTable table = new JTable(data,col);
		int ncol = table.getColumnCount();
		System.out.println("Number of Columns: "+ ncol);
		System.out.println("Number of Rows: "+ table.getRowCount());
		System.out.println("Name of column:");
		for (int i = 0; i < ncol; i++){
			System.out.println(col[i]);
		}
		panel.add(table);
		frame.add(panel);
		frame.setSize(300,300);
		frame.setVisible(true);
		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	}
}