mainabstract.java

java中继承类的介绍

abstract class SuperAbstract
{
	void a()
	{
		System.out.println("defined a() in SuperAbstract.");
	}
	abstract void b();
	abstract int c(int i);
}

interface AsSuper
{
	void x();
	void y();
}

abstract class SubAbstract extends SuperAbstract implements AsSuper
{
	public void b()
	{
		System.out.println("Method b() in SuperAbstract");
	}
	abstract String f();
}

public class MainAbstract extends SubAbstract
{
	public void x()
	{
		System.out.println("Method x() implement");
	}
	public void y()
	{
		System.out.println("Method y() implement");
	}
	public int c(int i)
	{
		 System.out.println(i+"  Method C() implement from SuperAbstract");
	}
	public String f()
	{
		System.out.println(" Method f() implement from SubAbstract");
		return "";
	}
	
	public static void main(String args[])
	{
		MainAbstract instanceMain = new MainAbstract();
		instanceMain.a();
		instanceMain.b();
		instanceMain.c(100);
		instanceMain.x();
		instanceMain.y();
		instanceMain.f();
	}
	
}