适配器模式

public class Banner {

	private String string;
	
	public Banner(String string){
		this.string=string;
	}
	
	public void showWithParen(){
		System.out.println("("+string+")");
	}
	
	public void showWithAster(){
		System.out.println("*"+string+"*");
	}
}

public interface Print {
	public abstract void printWeak();
	public abstract void printStrong();
}

public class PrintBanner extends Banner implements Print{

	public PrintBanner (String string){
		super(string);
	}
	
	public void printStrong() {
		// TODO Auto-generated method stub
		showWithAster();
	}

	public void printWeak() {
		// TODO Auto-generated method stub
		showWithParen();
	}

}

public class Main {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Print p	= new PrintBanner("Hello");
		p.printWeak();
		p.printStrong();
	}

}