第八周课程总结&实验报告（六）

源码1：

package shiyan6;
import java.util.Scanner;
public class Shuzuyichang {
    public static void main(String[] args){
        System.out.println("程序开始运行");
        int[] i=new int[3];
        @SuppressWarnings("resource")
        Scanner k=new Scanner(System.in);
        int j=k.nextInt();
        try {
            int a=i[j];
            a=a+1;
        }catch (ArrayIndexOutOfBoundsException ae){
            System.err.println("数组越界异常："+ae);
        }
        finally {
            System.out.println("程序运行结束");
        }
    }
}

截图1：

源码2：

package shiyan6;

@SuppressWarnings("serial")
public class DangerException extends Exception{
    String weixianpin;
    public DangerException(){
        this.weixianpin="weixianpin";
    }

    public void toShow(){
        System.err.println("警告!!!");
    }
}



package shiyan6;

public class Goods {
    private String name;
    boolean isDanger=true;
    public Goods(String name){
        this.name=name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public String getName() {
        return name;
    }

}



package shiyan6;

public class Machine {

    public void checkBag(Goods goods) throws DangerException{
       if(goods.isDanger){
           DangerException de=new DangerException();
           throw de;
       }
       else {
           System.out.println(goods.getName()+"不是危险物品！");
       }
   }
}




package shiyan6;

import java.util.Scanner;
import java.util.ArrayList;
public class Test {
    public static void main(String[] args) {
        ArrayList<String> list=new ArrayList<String>();{{
        list.add("管制刀具");
        list.add("汽油");
        list.add("枪");
        list.add("易爆物品");
        list.add("易燃物品");
        }};
        System.out.println("您的物品需要检测方予通过");
        @SuppressWarnings("resource")
        Scanner n=new Scanner(System.in);
        String wupin=n.next();
        Goods goods=new Goods(wupin);
        Machine m=new Machine();
        System.out.println("物品检测中......");
        try {
            Thread.sleep(3000);
        } catch (InterruptedException e) {
        }
            try {
                m.checkBag(goods);
            } catch (DangerException ae) {
                if(list.contains(wupin)) {
                    ae.toShow();
                    System.err.println(goods.getName() + "-->>属危险物品不予通过");
                }
                else{
                    System.out.println(goods.getName() + ":检查通过");
                }
            }
    }
}

截图2：