test.java

清华大学第二版

class SuperClass{
	public void method(){
	
	}
}
class SubClass extends SuperClass{
//	private void method(){}
	
	public void method(){}
}
public class Test{
	public static void main(String args[]){
		SuperClass s1 = new SuperClass();
		SuperClass s2 = new SubClass();
		s1.method();
		s2.method();
	}
}