package swing.frame; import java.awt.FlowLayout; import javax.swing.JButton; import javax.swing.JFrame; public class FlowLayoutFrame extends JFrame { public FlowLayoutFrame(String title) { //this없어도됨 //title설정 setTitle(title); //size설정(width,height) setSize(300, 300); //위치 설정(x,y) setLocation(800, 300); //종료관리(보통 EXIT_ON_CLOSE를 사용, 상수3) setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //레이아웃 setL..