221029

UI User Interface

CUI

GUI Graphical User Interface

import javax.swing.*;

import java.awt.*; //container

class Main extends JFrame{

public Main() {

setTitle("GUI FRAME EXAMPLE");

setSize(500,300);

setVisible(true);

Container c = getContentPane(); //c=현재 배경 프레임

//layout 배치관리자

// c.setLayout(new FlowLayout());

//

// for(int i=0;i<10;i++) {

// JButton b1 = new JButton("button1"); //버튼 객체 생성

// c.add(b1);

// }

c.setLayout(new BorderLayout());

JButton b1 = new JButton("button1");

b1.setBackground(Color.green); //배경색 설정

b1.setForeground(Color.RED); //글자색 설정

c.add(b1,BorderLayout.CENTER);

JButton b2 = new JButton("button2");

c.add(b2,BorderLayout.EAST);

JTextField tf = new JTextField();

c.add(tf,BorderLayout.SOUTH);

// JButton b2 = new JButton("button2"); //버튼 객체 생성

// c.add(b2);

}

public static void main(String[] args) {

new Main();

}

}

*/

/*

import javax.swing.*;

import java.awt.*;

class Main extends JFrame{

public Main(){

setTitle("ContentPane과 JFrame");

setSize(500,500);

Container c= getContentPane();

c.setLayout(new FlowLayout());

JButton Ok= new JButton("OK");

JButton Cancel= new JButton("Cancel");

JButton Ignore= new JButton("Ignore");

c.add(Ok);

c.add(Cancel);

c.add(Ignore);

c.setBackground(Color.orange);

setVisible(true);

}

public static void main(String[] args) {

new Main();

}

}

import javax.swing.*;

import java.awt.*;

class Main extends JFrame{

public Main() {

setTitle("BorderLayout Sample");

Container c= getContentPane();

c.setLayout(new BorderLayout(30,20));

JButton add=new JButton("add");

JButton calculate= new JButton("Calculate");

JButton div= new JButton("div");

JButton mul= new JButton("mul");

JButton sub= new JButton("sub");

c.add(add,BorderLayout.NORTH);

c.add(calculate,BorderLayout.EAST);

c.add(sub,BorderLayout.SOUTH);

//c.add(div,BorderLayout.WEST);

//c.add(mul,BorderLayout.EAST);

JPanel p = new JPanel();

p.setLayout(null); // setSize, setLocation 필수!!

// p.setLayout(new GridLayout(3,2,2,2));

for(int i=0;i<6;i++) {

JButton b = new JButton(Integer.toString(i));

p.add(b);

b.setSize(50, 50);

b.setLocation(i*50, i*50);

}

p.setBackground(Color.orange);

c.add(p,BorderLayout.CENTER);

c.setBackground(Color.BLACK);

setSize(500,500);

setVisible(true);

}

public static void main(String[] args) {

new Main();

}

}

*/

/*

import javax.swing.*;

import java.awt.*;

class Main extends JFrame{

public Main(){

setTitle("Let's study Java");

setSize(400,200);

setVisible(true);

}

public static void main(String[] args) {

new Main();

}

}

*/

/*

import javax.swing.*;

import java.awt.*;

class Main extends JFrame{

public Main() {

setTitle("BorderLayout Practice");

Container c= getContentPane();

c.setLayout(new BorderLayout(5,7));

JButton North= new JButton("North");

JButton South= new JButton("South");

JButton East= new JButton("East");

JButton West= new JButton("West");

JButton Center= new JButton("Center");

c.add(North,BorderLayout.NORTH);

c.add(South,BorderLayout.SOUTH);

c.add(East,BorderLayout.EAST);

c.add(West,BorderLayout.WEST);

c.add(Center,BorderLayout.CENTER);

setSize(400,200);

setVisible(true);

}

public static void main(String[] args) {

new Main();

}

}

*/

/*

import javax.swing.*;

import java.awt.*;

class Main extends JFrame{

public Main() {

setTitle("Ten Color Buttons Frame");

JPanel p= new JPanel();

Container c= getContentPane();

p.setLayout(null);

for(int i=0;i<10;i++) {

JButton b= new JButton(Integer.toString(i));

p.add(b);

b.setSize(50,800);

b.setLocation(i*50,0);

}

c.add(p,BorderLayout.CENTER);

setSize(500,800);

setVisible(true);

}

public static void main(String[] args) {

new Main();

}

}

*/

import javax.swing.*;

import java.awt.*;

class Main extends JFrame{

public Main() {

setTitle("Ten Color Buttons Frame");

JPanel p= new JPanel();

Container c= getContentPane();

p.setLayout(null);

for(int i=0;i<10;i++) {

JButton b= new JButton(Integer.toString(i));

p.add(b);

b.setBackground(Color.RED);

b.setSize(50,800);

b.setLocation(i*50,0);

}

c.add(p,BorderLayout.CENTER);

setSize(500,800);

setVisible(true);

}

public static void main(String[] args) {

new Main();

}

}