[Java] 벡터클래스 테스트 import java.util.*; public class VectorTest { public static void main(String[] args){ String arr[] = {"김진양","최민호","조정래","박경리","정비석"}; Vectorvec=new Vector(4,3); System.out.println("백터의 저장된 요소의 개수는 :"+vec.size()); System.out.println("백터의 용량은 :"+vec.capacity()+"\n"); for(int i=0;i

[Java] JOptionPane import java.awt.*; import java.awt.event.*; import javax.swing.*; //외부클래스 public class JOptionPaneTest extends JFrame { Container con; //외부클래스 생성자 구현 public JOptionPaneTest(){ setTitle("JOptionPane 실습"); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); con = getContentPane(); setBounds(500, 400, 500, 300); con.add(new myPanel(),BorderLayout.NORTH); setVisible(true); } //내부클래스 구..

[Java] 금액단위를 바꾸기 import java.awt.*; import java.awt.event.*; import javax.swing.*; import javax.swing.table.*; //외부클래스 public class MoneyChange extends JFrame{ //외부클래스 생성자 구현 public MoneyChange(){ setTitle("화폐단위 변환기"); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setContentPane(new MyPanel()); setBounds(350, 300, 500, 300); setVisible(true); } //내부클래스 class MyPanel extends JPanel{//디자인인 이나 이벤..

[Java] JTable응용 AddAction.java import javax.swing.*; import java.awt.*; import java.awt.event.*; import javax.swing.table.*; public class addAction implements ActionListener{ //준비 JTable table; JTextField txt1,txt2,txt3; //생성자 구현 public addAction(JTable table, JTextField txt1, JTextField txt2, JTextField txt3){ this.table = table; this.txt1 = txt1; this.txt2 = txt2; this.txt3 = txt3; } @Override..

[Java] JTable 만들기 import javax.swing.*; import javax.swing.table.*; //J 테이블 만들기 public class TableTest extends JFrame{ //준비 JTable table; JScrollPane scroll; String data[][]; //이차원 배열 String title[] = {"번호", "이름", "연락처", "이메일"}; public TableTest(){ data = new String[3][4]; data[0][0] = "1"; data[0][1] = "박찬호"; data[0][2] = "010-1234-4567"; data[0][3] = "park@nver.com"; data[1][0] = "2"; data[1][..

[Java] JRadioButton 의 이벤트처리 import java.awt.*;import java.awt.event.*; import javax.swing.*; public class JRadioButtonEvent extends JFrame implements ItemListener{ //준비 Container container; JRadioButton radio[] = new JRadioButton[3]; String text[] = {"사과","배","체리"}; ImageIcon image[] = { new ImageIcon("images/apple.jpg"), new ImageIcon("images/pear.jpg"), new ImageIcon("images/cherry.jpg") }; //..