55_GridLayout

//Layout Manager = Defines the natural layout for components within a container
//3 common managers
//GridLayout = places components in a grid of cells.
//             Each component takes all the available space within its cell,
//             and each cell is the same size
import javax.swing.*;
import java.awt.*;

public class Main{
    public static void main(String[] args){
        JFrame frame = new JFrame();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(500,500);
        frame.setLayout(new GridLayout(3,3,10,10));//row,column,hgap,vgap

        frame.add(new JButton("1"));
        frame.add(new JButton("2"));
        frame.add(new JButton("3"));
        frame.add(new JButton("4"));
        frame.add(new JButton("5"));
        frame.add(new JButton("6"));
        frame.add(new JButton("7"));
        frame.add(new JButton("8"));
        frame.add(new JButton("9"));
        frame.add(new JButton("10"));

        frame.setVisible(true); //after button->so can directly show


    }
}