Java实例——Adapter类-图形示例

Java实例——Adapter类。import java.awt.; import java.awt.event.; class Label1 extends Frame{ public Label1() { super("事件示例"); addWindowListener(new WindowAdapter() { public void windowClosing( WindowEvent e ) { System.exit( 0 ); } } ); initialize(); } public void initialize(){ this.setLayout(null); Label bl=new Label();

ppt 文件大小:429.5KB