211225

/*

import java.util.*;

public class Main

{

public static HashMap<String, Integer> ss = new HashMap<String, Integer>();

public static void view()

{

Set<String> keys = ss.keySet();

Iterator<String> it = keys.iterator();

while(it.hasNext())

{

String key = it.next();

System.out.print("("+key+","+ss.get(key)+") ");

}

System.out.println();

}

public static void main(String[] args) {

System.out.println("**포인트 관리 프로그램입니다**");

Scanner t = new Scanner(System.in);

while(true) {

System.out.print("이름과 포인트 입력>>");

String n = t.next();

int k = t.nextInt();

if(n.equals("그만")) {

break;

}

Set<String> keys = ss.keySet();

Iterator<String> it = keys.iterator();

int x=0;

while(it.hasNext())

{

String key = it.next();

if(key.equals(n))

{

x=1;

int value=ss.get(key);

ss.remove(key);

ss.put(key, value+k);

break;

}

}

if(x==0) ss.put(n, k);

Main.view();

}

}

}

GUI Graphic User Interface

CUI Command User Interface

최상위컨테이너

컨테이너

컴포넌트

import javax.swing.*;

public class Main extends JFrame {

public Main()

{

//setTitle("300*300 스윙 프레임 만들기");

super("300*300 스윙 프레임 만들기");

setSize(300, 300);

setVisible(true);

}

public static void main(String[] args) {

new Main();

}

}

//*/

//import javax.swing.*;

//import java.awt.*;

//

//public class Main extends JFrame {

// public Main() {

// setTitle("CoNtEnTpAnE JFrame");

// setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

//

// Container cp = getContentPane();

// cp.setBackground(Color.DARK_GRAY);

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

// cp.add(new JButton("click"));

// cp.add(new JButton("Ignore"));

// cp.add(new JLabel("search"));

// cp.add(new JTextField("heyhey"));

// cp.add(new JList());

// setSize(400, 400);

// setVisible(true);

//

// }

// public static void main(String[] args) {

// new Main();

// }

//}

/*

import javax.swing.*;

import java.awt.*;

public class Main extends JFrame {

public Main() {

setTitle("Flowlayout");

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

Container c = getContentPane();

c.setLayout(new FlowLayout(FlowLayout.LEFT, 100, 50));

c.add(new JButton("add"));

c.add(new JButton("sub"));

c.add(new JButton("mult"));

c.add(new JButton("div"));

setSize(300, 300);

setVisible(true);

}

public static void main(String[] args) {

new Main();

}

}*/

//import javax.swing.*;

//import java.awt.*;

//

//public class Main extends JFrame {

// public Main() {

// setTitle("BorderLayout");

// setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

// Container c = getContentPane();

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

//

// c.add(new JButton("Calculate"), BorderLayout.CENTER);

// c.add(new JButton("add"), BorderLayout.NORTH);

// c.add(new JButton("sub"), BorderLayout.SOUTH);

// c.add(new JButton("mul"), BorderLayout.EAST);

// c.add(new JButton("div"), BorderLayout.WEST);

//

// setSize(300, 300);

// setVisible(true);

// }

// public static void main(String[] args) {

// new Main();

// }

//}

//import javax.swing.*;

//import java.awt.*;

//

//public class Main extends JFrame {

// public Main()

// {

// setTitle("김재성1");

// setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

//

// GridLayout grid = new GridLayout(4,2);

// grid.setVgap(5);

//

// Container c = getContentPane();

// c.setLayout(grid);

// c.add(new JLabel(" 이름"));

// c.add(new JTextField(""));

// c.add(new JLabel(" 나이"));

// c.add(new JTextField(""));

//

// setSize(300, 200);

// setVisible(true);

// }

// public static void main(String[] args) {

// new Main();

// }

//}

/*

import javax.swing.*;

import java.awt.*;

public class Main extends JFrame {

public Main() {

setTitle("Null Container Sample");

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

Container c = getContentPane();

c.setLayout(null);

JLabel la = new JLabel("Hello, Press Buttons");

la.setLocation(130, 50);

la.setSize(200, 20);

c.add(la);

for(int i=1; i<=9; i++) {

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

b.setLocation(i*15, i*15);

b.setSize(50, 20);

c.add(b);

}

setSize(400, 400);

setVisible(true);

}

public static void main(String[] args) {

new Main();

}

}*/