import javax.swing.*;
import java.awt.Insets;
import java.awt.BorderLayout;

public class JInsetsTest1 extends JFrame{

  public static void main(String[] args){
    JInsetsTest1 frame = new JInsetsTest1();

    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setBounds(10, 10, 300, 200);
    frame.setTitle("ƒ^ƒCƒgƒ‹");
    frame.setVisible(true);
  }

  JInsetsTest1(){
    JButton button1 = new JButton("Button");

    JButton button2 = new JButton("Button");
    button2.setMargin(new Insets(50, 50, 30, 30));

    JPanel p = new JPanel();
    p.add(button1);
    p.add(button2);

    getContentPane().add(p, BorderLayout.CENTER);
  }