public class CirclTest{
public static void main(String[] args){
Circle first=new Circle('R',3.0);
Circle first=new Circle('R',3.0);
Circle second=new Circle();
System.out.println("first's radius is " + first.getRadius());
System.out.println("first's area is " + first.getArea());
System.out.println("second's area is " + second.getArea());
if(first.hasLargerAreaThan(20)){
System.out.println("first's area is larger than 20. ");
}else{
System.out.println("first's area is smaller than 20. ");
}
}
}
所以我应该写一个圆班。这就是我所做的。写作班级的方法测试类
public class Circle{
private double radius=0.0;
private double area=0.0;
private char colour=' ';
public Circle(char colour,double radius){
this.colour=colour;
this.radius=radius;
}
public Circle(){
radius=0;
colour='B';
}
public char getColour(){
return colour;
}
public double getRadius(){
return radius;
}
public double getArea(){
return area;
}
}
我就怎么写了class.Like我知道我需要初始化私有变量实际上混淆等二十多个国家,我需要建立一个构造函数,但不知何故这上面的代码不work.the测试方法是正确的,但我必须用它来实现我的课程。
你对如何写一堂课感到困惑......但你写了一堂课。好的,你有什么特别的困惑吗? – Makoto 2013-04-24 02:57:10
如果您想编写测试用例,请查看像[junit](http://junit.org/)或[testng](http://testng.org/doc/index.html) – 2013-04-24 03:00:13
这样的单元测试框架。很好..遇到什么错误? – Zain 2013-04-24 03:00:39