testabstract.java

来自「有关于java的小练习」· Java 代码 · 共 21 行

public class TestAbstract{
	public static void main(String[] args){
		//new Super();
		Super s=new Sub();
		s.method();
	}
}
abstract class Super{
	public Super(){
		System.out.println("Super()");
	}
	public abstract void method();
}
class Sub extends Super{
	public Sub(){
		super();
	}
	public void method(){
		System.out.println("sub method");
	}
}