testfinal.java

有关于java的小练习

public class TestFinal{
	public static void main(String[] args){
		//final int a=10;
		//a++;
		//ClassA ca=new ClassA(20);
	}
}
class ClassA{
	public static final int M=20;
	/*
	public ClassA(int m){
		this.m=m;
	}
	*/
}
final class Super{
	public final void fn(){}
}
class Sub extends Super{
	//public void fn(){}
}