20145321 实验二实验报告
20145321 实验二实验报告
实验内容
1.初步掌握单元测试和TDD
2.理解并掌握面向对象三要素:封装、继承、多态
3.初步掌握UML建模
4.熟悉S.O.L.I.D原则
5.了解设计模式
PSP统计
步骤 | 耗时 | 百分比 |
---|---|---|
需求分析 | 30min | 15% |
设计 | 60min | 30% |
代码实现 | 60min | 30% |
测试 | 30min | 15% |
分析总结 | 20min | 10% |
实验步骤
1.使用TDD的方式设计关实现复数类Complex
(1)伪代码:
复数类Complex
复数=实部+虚部i
复数相加=(实部+实部)+(虚部+虚部)i
复数相减=(实部-实部)+(虚部-虚部)i
打印复数
虚部>0,“实部”+“+”+“虚部”i
虚部<0,“实部”+“-”+“虚部”i
虚部=0,“实部”
(2)产品代码:
class ComplexNumber {
private double m_dRealPart,m_dImaginPart;
public ComplexNumber(){
m_dRealPart = 0;
m_dImaginPart = 0;
}
public ComplexNumber(double r,double I){
m_dRealPart = r;
m_dImaginPart = i;
}
public double GetRealPart(){
return m_dRealPart;
}
public double GetImaginaryPart(){
return m_dImaginPart;
}
public void SetRealPart(double d){
m_dRealPart = d;
}
public void SetImaginaryPart(double d){
m_dImaginPart = d;
}
public ComplexNumber ComplexAdd(ComplexNumber c){
ComplexNumber result = new ComplexNumber();
result.SetRealPart(this.m_dRealPart+c.GetRealPart());
result.SetImaginaryPart(this.m_dImaginPart+c.GetImaginaryPart());
return result;
}
public ComplexNumber ComplexAdd(double c){
ComplexNumber result = new ComplexNumber();
result.SetRealPart(this.m_dRealPart+c);
result.SetImaginaryPart(this.m_dImaginPart);
return result;
}
public ComplexNumber ComplexMinus(ComplexNumber c){
ComplexNumber result = new ComplexNumber();
result.SetRealPart(this.m_dRealPart-c.GetRealPart());
result.SetImaginaryPart(this.m_dImaginPart-c.GetImaginaryPart());
return result;
}
public ComplexNumber ComplexMinus(double c){
ComplexNumber result = new ComplexNumber();
result.SetRealPart(this.m_dRealPart-c);
result.SetImaginaryPart(this.m_dImaginPart);
return result;
}
public ComplexNumber ComplexMuti(ComplexNumber c){
ComplexNumber result = new ComplexNumber();
result.SetRealPart(this.m_dRealPart*c.GetRealPart()-this.m_dImaginPart*c.GetImaginaryPart());
result.SetImaginaryPart(this.m_dRealPart*c.GetImaginaryPart()+this.m_dImaginPart*c.GetRealPart());
return result;
}
public ComplexNumber ComplexMuti(double c){
ComplexNumber result = new ComplexNumber();
result.SetRealPart(this.m_dRealPart*c);
result.SetImaginaryPart(this.m_dImaginPart*c);
return result;
}
public String toString(){
return ""+this.m_dRealPart+"+"+this.m_dImaginPart+"i";
}
}
(3)测试代码:
import org.junit.Test;
@Test
public void TestStringWay() {
ComplexNumber complexnumber = new ComplexNumber(7,3);
System.out.println(complexnumber.toString());
assertFquals(73.0+3.0i",complexnumber.toString());
}
2.单元测试
3.StarUML建模
posted on 2016-04-17 21:27 20145321曾子誉 阅读(154) 评论(2) 编辑 收藏 举报