JavaSE 多态 1.接口实现多态

interface Teacher{
	public  void teach();
}

class JavaTeacher implements Teacher{
	
	String name;
	
	int age;
	
	public void teach(){
		System.out.println(name+"在教java课");
	}
	
}

class PHPTeacher implements Teacher{
	
	String name;
	
	int age;
	
	public void teach(){
		System.out.println(name+"在教PHP课");
	}
	
}
class Leader{
	/**
	 	考核java老师
	 	
	 	Teacher t = new PHPTeacher();
	*/
	public void check(Teacher t){
		if(t instanceof JavaTeacher){
			System.out.println("java老师开始讲课");
		}
		if(t instanceof PHPTeacher){
			System.out.println("PHP老师开始讲课");
		}
		t.teach();
		System.out.println("打分");
	}
	
}

public class TestTeacher10{
	
	public static void main(String[] args){
		//创建一个java老师
		JavaTeacher jt = new JavaTeacher();
		jt.name = "亮哥";
			
		PHPTeacher pt = new PHPTeacher();
		pt.name = "龙哥";
		
		//创建一个领导对象
		Leader leader = new Leader();
		leader.check(jt);
		System.out.println("---------------------");
		leader.check(pt);
		
	}
}