12.13作业

水果接口

package Text7;

public interface Fruit {

}


public class Apple implements  Fruit{
	public Apple() {
	    System.out.println("创建了一个苹果类的对象");
	  }

}


public class Banana implements Fruit {
	public Banana() {
	    System.out.println("创建了一个香蕉类的对象");
	  }
}




public class Grape implements Fruit{
	public Grape() {
	    System.out.println("创建了一个葡萄类的对象");
}
}





import java.util.Scanner;

public class Grander {
	Fruit Create(){
		Scanner input = new Scanner(System.in);
		System.out.println("请输入要创建的水果名称：");
		
		String F = input.nextLine();
		
		Fruit fruit = null;
		
        if("香蕉".equals(F)){
            fruit =  new Banana(); 
        }    
        if("葡萄".equals(F)){
            fruit =  new Grape();
        }
        if("苹果".equals(F)){
            fruit =  new Apple();
        } 
		return fruit;
	
	}		
        }




public class Text1 {
	public static void main(String[] args) {
		new Grander().Create();
    
    }
}