標籤:適配器 adapter
適配器類 Adapter,對介面中的抽象方法進行空實現
import java.awt.Button;import java.awt.Frame;import java.awt.event.MouseAdapter;import java.awt.event.MouseEvent;import java.awt.event.MouseListener;import java.awt.event.WindowAdapter;import java.awt.event.WindowEvent;import java.awt.event.WindowListener;/* * 適配器類 Adapter,對介面中的抽象方法進行空實現 */public class Test07 extends Frame{ Button btn=new Button("點我"); public Test07(String title){ super(title); init(); } public void init(){ addWindowListener(new WindowAdapter() { @Override public void windowClosing(WindowEvent e) { System.exit(0); } }); btn.addMouseListener(new MouseAdapter() { @Override public void mouseClicked(MouseEvent e) { System.out.println("被點中了!"); } }); add(btn); setSize(200,200); setLocationRelativeTo(null); setVisible(true); } public static void main(String[] args) { new Test07("哈哈"); }}
JAVA學習筆記(四十八)- 適配器類 Adapter