computetime.java

java课程的资料以及实验的代码

  import CalTime.vehicle.all.Common;
    import java.lang.*;
    public class ComputeTime {
    public static void main(String args[]) {
    System.out.println("交通工具: "+args[0]);
    System.out.println(" 参数A: "+args[1]);
    System.out.println(" 参数B: "+args[2]);
    System.out.println(" 参数C: "+args[3]);
    double A=Double.parseDouble(args[1]);
    double B=Double.parseDouble(args[2]);
    double C=Double.parseDouble(args[3]);
    double v,t;
    try {
    Common d=(Common) Class.forName("CalTime.vehicle."+args[0]).newInstance();
    v=d.runTimer(A,B,C);
    t=1000/v;
    System.out.println("平均速度: "+v+" km/h");
    System.out.println("运行时间："+t+" 小时");
    } catch(Exception e)  {
    System.out.println("class not found");
    }
    }
    }