gui组件

//guI; graphics user interface
import javax.swing.*;
import
java.awt.*;

public class Main {

public static void main(String[] args) {
JFrame f = new
JFrame();
f.setTitle("main");
//f.setSize(300,400);

f.setBounds(20,30,300,400);
f.setVisible(true);

Container c=f.getContentPane();
c.setLayout(new FlowLayout());

JLabel lab=new JLabel();
lab.setSize(20,300);

lab.setText("第一个：");
lab.setBackground(new Color(200,0,0));

lab.setFont(new Font("黑体",Font.BOLD,35));

//lab.setVisible(false);
c.add(lab);

}

}

gui组件,码迷,mamicode.com