20145324 Java实验二

实验1：

先建立.java 在建立test

测试正常情况

测试出错情况

错误

修改后的代码

正确

测试边界情况

100时出错

修改后的代码

测试

实验2：

先建test在写，java

实验3：建模

练习

、、、

public class Complex {

public double m_dRealPart;

public double m_dImaginPart;

public Complex(){

    this.m_dImaginPart=0;

    this.m_dRealPart=0;

}

public Complex(double r,double I){

    this.m_dRealPart=r;

    this.m_dImaginPart=I;

}

public double GetRealPart(){return  this.m_dRealPart;}

public double GetImaginaryPart(){return this.m_dImaginPart;}

public void SetRealPart(double d){this.m_dRealPart=d;}

public void SetImaginaryPart(double d){this.m_dImaginPart=d;}

public Complex ComplexAdd1(Complex c){

    this.m_dRealPart=this.m_dRealPart+c.m_dRealPart;

    this.m_dImaginPart=this.m_dImaginPart+c.m_dImaginPart;

    return this;

}

public Complex ComplexAdd2(double c){

    this.m_dRealPart=this.m_dRealPart+c;

    return this;

}

public Complex ComplexMinus1(Complex c){

    this.m_dRealPart=this.m_dRealPart -c.m_dRealPart;

    this.m_dImaginPart=this.m_dImaginPart -c.m_dImaginPart;

    return this;

}

public Complex ComplexMinus2(double c){

    this.m_dRealPart=this.m_dRealPart-c;

    return this;

}

public Complex ComplexMulti1(Complex c){

    double a=this.m_dImaginPart;

    double b=this.m_dRealPart;

    this.m_dRealPart=b*c.m_dRealPart-(a*c.m_dImaginPart);

    this.m_dImaginPart=b*c.m_dImaginPart+a*c.m_dRealPart;

    return this;

}

public Complex ComplexMulti2(double c){

    double a=this.m_dImaginPart;

    double b=this.m_dRealPart;

    this.m_dRealPart=this.m_dRealPart*c;

    this.m_dImaginPart=this.m_dImaginPart*c;

    return this;

}

public String toString(){

    return this.m_dRealPart+"+"+this.m_dImaginPart+"i";

}

}

、、、

测试

步骤耗时百分比

需求分析 10m 17%

设计 20m 33%

代码实现 10m 17%

测试 5m 8.3%

分析总结 15m 25%

建模

巴特西

20145324 Java实验二

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