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카테고리 없음

13-1 연습문제 (빙고)

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package ch13_1;
 
import java.awt.Button;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
 
 
public class Bing {
   public static void main(String[] args) {
      BingoGame game = new BingoGame("Bingo Game"); // 프레임 객체 생성
   }
}
 
class BingoGame extends Frame {
   Button[] btnArr = new Button[5 * 5];
   String[] birdArr = new String[btnArr.length];
 
   BingoGame() {
      this("Bingo Game");
   }
 
 
    BingoGame(String title) {
          super("BingoGame");
 
      // layoutManager를 gridLayout
      this.setLayout(new GridLayout(55));
 
      // iv를 초기화한다 (iv = button)
      // 새이름 초기화
      // 버튼 생성
      for (int i = 0; i < btnArr.length; i++) {
         birdArr[i] = "" + i;
         btnArr[i] = new Button(birdArr[i]);
         btnArr[i].addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
               // 버튼의 이름을 콘솔에 출력
               System.out.println(e.getActionCommand());
               // 버튼의 배경을 회색으로
               Button btn = (Button) e.getSource();
               btn.setBackground(Color.LIGHT_GRAY);
 
            }
         });
         this.add(btnArr[i]);
      }
 
      this.setSize(new Dimension(500500));
      this.setVisible(true);
      // 이벤트 등록
      // frame을 화면에 보여준다
   }
}
 
cs