【简答题】Happy Doctor Rabbit&Happy Zoo DX— Study Aid Machines 08 Dec,2013 Happy Doctor Rabbit helps your child learn mathematics in the fun way.The machine tests children on “minus” and “plus” math p...
【简答题】定义图形类的子类:三角形类和矩形类,分别计算其面积和周长;定义测试类,输出图形的类型以及面积和周长。 图形类的定义如下: public class Shape { String type; public Shape(String type){ this.type = type; } public String getType(){ return this.type; } public void s...
【单选题】在Java中,类Animal中的方法printA()定义如下: public void printA() { Int a=10; Int result =10%3; System.out.println(result); } 在类Dog中方法printA()定义如下: public void printA() { Int a=10; System.out.prin...