너구리의 IT일기

package ch05; import java.awt.Color; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.MouseEvent; import java.awt.event.MouseListener; import javax.swing.JFrame; import javax.swing.JLabel; //class MyFrame5 extends JFrame implements MouseListener{ class MyFrame5 extends JFrame { // 클릭을 하거나 들어오거나 나갓을떄 동작하는 이벤트 // 안드로이드나 웹에서도 많이 사용 JLabel label; public ..

package ch05; import java.awt.FlowLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; class MyFrame4 extends JFrame{ JButton button; public MyFrame4() { initData(); setInitLayout(); addEventListener(); } private void initData() { //초기화작업 null 포인트가 뜬다면 이닛에서 확인 setTitle("익명구현객체사용 연습"); setSize(500, 500); setDefault..

package ch05; import java.awt.BorderLayout; import java.awt.Color; import java.awt.Dimension; import java.awt.FlowLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; class ColorChangeFrame extends JFrame implements ActionListener{ BorderLayout borderLayout; JPanel panel1; JPanel panel2;..

package ch05; import java.awt.FlowLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; class MyFrame2 extends JFrame implements ActionListener { JButton button1; JButton button2; JButton button3; JButton button4; JButton button5; public MyFrame2() { initData(); setLayout(); addEventListener(); } private void initD..

package ch05; import java.awt.FlowLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; class MyFrame1 extends JFrame implements ActionListener{ JButton button; public MyFrame1() { initData(); setInitLayout(); addEventListener(); } private void initData() { setTitle("이벤트 리스너 연습"); setDefaultCloseOperation(JFrame.EX..

package ch05; public class Point { // 클래스나 int , double등 여러 자료형으로 들어와서 로표현 // X와 Y 좌표값을 받는 클래스 // 제네릭을 사용 private X x; private Y y; public Point(X x, Y y) { this.x = x; this.y = y; } public X getX() { return this.x; } public Y getY() { return this.y; } } package ch05; import java.util.Scanner; public class GenericMethod { //제네릭 메서드는 실무에서 많이 사용하지는 않지만 //원시코드는 제네릭으로 쓰여져있는것이 많아 참고하기좋다. // 함수 만들기 1 ..

package ch04; import java.awt.Graphics; import java.awt.Paint; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import javax.imageio.ImageIO; import javax.swing.JFrame; import javax.swing.JPanel; class MyFrame2 extends JFrame { BufferedImage backgroundimage; BufferedImage imageIcon; MyImagePanel imagePanel; public MyFrame2() { initDate(); setInitLayout(); } p..

package ch04; import java.awt.Graphics; import java.awt.Image; import javax.swing.ImageIcon; import javax.swing.JFrame; import javax.swing.JPanel; class ImagePanel extends JPanel { private Image image; public ImagePanel() { image = new ImageIcon("image1.jpg").getImage(); } @Override public void paint(Graphics g) { super.paint(g); g.drawImage(image, 0, 0, getWidth(), getHeight(), null); } } class..

package ch03; import java.awt.Color; import java.awt.FlowLayout; import java.awt.GridBagLayout; import java.awt.GridLayout; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; public class MyFrame2 extends JFrame{ JPanel panel1; JPanel panel2; JButton button1; JButton button2; JButton button3; JButton button4; JButton button5; JButton button6; JButton button7; JButt..

package ch03; import java.awt.Graphics; import javax.swing.JFrame; import javax.swing.JPanel; // //class MyPanel extends JPanel { // /*@Override public void paint(Graphics g) { super.paint(g); g.drawString("반갑습니다",10, 20); g.drawLine(20,30,100,100); //선을 긋다 .x축 y축 g.drawRect(100, 100, 150, 150); //사각형만들때 }*/ //@Override //public void paint(Graphics g) { //super.paint(g); //g.drawString("House", ..