【简答题】下列程序的运行结果是 ( ) class Shape{ public Shape(){ System.out.print("S"); } } class Circle extends Shape{ public Circle(){ System.out.print("C"); } public Circle(double r){ this(); System.out.print(r); } } p...
【单选题】给定如下代码,要在第三个构造方法的空白处填上一行代码使之能够调用第二个构造方法,这行代码应该是() class Circ le{ Str ing name,radi us; int r; public Circle(String n){ name=n; } public Circle(String n, int a){ na me=n; r=a; } public Circle(String n,...
【简答题】fear artificial devices argue remind share basic nature recent project 1 . Mary is my best friend and I always my secrets( 秘密 ) with her. 2 . The lost traveler was filled with when he saw a...