オブジェクト向け_継承中の構築メソッドの関係

/*
	          
		A:                          
		B:    ?
			             ,            。
			  ,       ,              
			
			  :                    :super();
*/
class Father{
	public Father(){
		System.out.println("Father       ");
	}

	public Father(String name){
		System.out.println(name+"\t"+"Father       ");
	}
}

class Son extends Father{
	public Son(){
		//super();
		System.out.println("Son       ");
	}

	public Son(String name){
		//super();
		System.out.println(name+"\t"+"Son       ");
	}
}

class ExtendsDemo6{
	public static void main(String[] args){
		//    
		Son s = new Son();
		System.out.println("-----------");
		Son s2 = new Son("  ");

	}
}