2022-10-29

/*

import javax.swing.*;

import java.awt.*;

import javax.swing.event.*;

public class Main extends JFrame {

private JLabel colorLabel;

private JSlider [] sl = new JSlider [3];

public Main() {

setTitle("슬라이더와 ChangeEvent 예제");

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

Container c = getContentPane();

c.setLayout(new FlowLayout());

colorLabel = new JLabel(" SLIDER EXAMPLE ");

for(int i=0; i<sl.length; i++) {

sl[i] = new JSlider(JSlider.HORIZONTAL, 0, 255, 128);

sl[i].setPaintLabels(true);

sl[i].setPaintTicks(true);

sl[i].setPaintTrack(true);

sl[i].setMajorTickSpacing(50);

sl[i].setMinorTickSpacing(10);

sl[i].addChangeListener(new MyChangeListener());

c.add(sl[i]);

}

sl[0].setForeground(Color.RED);

sl[1].setForeground(Color.GREEN);

sl[2].setForeground(Color.BLUE);

int r = sl[0].getValue();

int g = sl[1].getValue();

int b = sl[2].getValue();

colorLabel.setOpaque(true);

colorLabel.setBackground(new Color(r,g,b));

c.add(colorLabel);

setSize(300,230);

setVisible(true);

}

class MyChangeListener implements ChangeListener {

public void stateChanged(ChangeEvent e) {

int r = sl[0].getValue();

int g = sl[1].getValue();

int b = sl[2].getValue();

colorLabel.setBackground(new Color(r,g,b));

}

}

public static void main(String[] args) {

new Main();

}

}

*/

/*

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import javax.swing.event.*;

public class Main extends JFrame {

JPanel ManuPnl;

JLabel ManuLbl;

JButton[] dire = new JButton[2];

ImageIcon nowImg = new ImageIcon();

ImageIcon [] images = {new ImageIcon("C:\\Users\\user\\Desktop\\java images\\letter-d.png"),

new ImageIcon("C:\\Users\\user\\Desktop\\java images\\letter-o.png"),

new ImageIcon("C:\\Users\\user\\Desktop\\java images\\letter-g.png"),

new ImageIcon("C:\\Users\\user\\Desktop\\java images\\dog (1).png")};

int num = 0;

public Main() {

setTitle("Open Chanllenge 11");

setSize(400,500);

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

Container cnt = getContentPane();

cnt.setLayout(new BorderLayout());

ManuPnl = new JPanel();

ManuPnl.setBackground(Color.gray);

ManuPnl.setLayout(new FlowLayout(FlowLayout.CENTER, 15,10));

cnt.add(ManuPnl,BorderLayout.SOUTH);

nowImg = images[0];

ManuLbl = new JLabel(nowImg);

cnt.add(ManuLbl,BorderLayout.CENTER);

for(int i = 0; i < dire.length; i++) {

dire[i] = new JButton();

int n = i;

dire[i].addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

if(n == 0) {

if(num == 0) {

num = 3;

}

else {

num --;

}

}

else {

if(num == 3) {

num = 0;

}

else {

num ++;

}

}

ManuLbl.setIcon(images[num]);

}

});

}

dire[0].setIcon(new ImageIcon("C:\\Users\\user\\Desktop\\java images\\left-arrow.png"));

ManuPnl.add(dire[0]);

dire[1].setIcon(new ImageIcon("C:\\Users\\user\\Desktop\\java images\\right-arrow.png"));

ManuPnl.add(dire[1]);

setVisible(true);

}

public static void main(String[] args) {

new Main();

}

}

*/

/*

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

import javax.swing.event.*;

public class Main extends JFrame {

JButton[] buttons = {new JButton("저장"),

new JButton("찾기"),

new JButton("삭제"),

new JButton("단어")};

Color[][] colors = {{Color.yellow, Color.black},

{Color.green, Color.black},

{Color.magenta, Color.white},

{Color.cyan, Color.white}};

JPanel [] Pnls = new JPanel[3];

JTextField eng = new JTextField(13), kor = new JTextField(13);

JTextArea log = new JTextArea(11,30), words = new JTextArea(7,20);

public Main() {

setTitle("단어 사전 만들기");

setSize(450,350);

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

Container cnt = getContentPane();

cnt.setLayout(new FlowLayout());

Pnls[0] = new JPanel();

Pnls[0].setSize(450,20);

Pnls[0].setBackground(Color.gray);

Pnls[0].add(new JLabel("영어"));

Pnls[0].add(eng);

Pnls[0].add(new JLabel("한글"));

Pnls[0].add(kor);

cnt.add(Pnls[0]);

Pnls[1] = new JPanel();

for(int i = 0; i < buttons.length; i++) {

buttons[i].setBackground(colors[i][0]);

buttons[i].setForeground(colors[i][1]);

buttons[i].setSize(75,50);

Pnls[1].add(buttons[i]);

}

cnt.add(Pnls[1]);

Pnls[2] = new JPanel();

Pnls[2].add(log);

cnt.add(Pnls[2]);

setVisible(true);

}

public static void main(String[] args) {

new Main();

}

}

*/

/*

import javax.swing.*;

public class Main extends JFrame {

public Main() {

setTitle("Menu 만들기 예제");

createMenu();

setSize(250,200);

setVisible(true);

}

private void createMenu() {

JMenuBar mb = new JMenuBar();

JMenu screenMenu = new JMenu("screen");

screenMenu.add(new JMenuItem("Load"));

screenMenu.add(new JMenuItem("Hide"));

screenMenu.add(new JMenuItem("ReShow"));

screenMenu.addSeparator();

screenMenu.add(new JMenuItem("Exit"));

mb.add(screenMenu);

mb.add(new JMenu("Edit"));

mb.add(new JMenu("Source"));

mb.add(new JMenu("Project"));

mb.add(new JMenu("Run"));

setJMenuBar(mb);

}

public static void main(String[] args) {

new Main();

}

}

*/