第八周课程总结&实验报告（六）

package 异常类;

public class 异常 {
    public static void main(String[] args) {
        System.out.println("程序运行");
        int ch[]= {1,2,3,3};
        try {
                System.out.print(ch[8]);
            }catch(ArrayIndexOutOfBoundsException a){
                System.out.println("数组越界:"+a);
            }finally {            
                System.out.println("无论程序是否正常都执行");
            }
      }
}

package 异常类;

public class DangerException extends Exception{
     
     public void toShow() {
        System.err.println("危险物品!!!");
     }
}
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;
        }

}public class Machine {
     public void checkBag(Goods goods) throws DangerException {

            DangerException danger = new DangerException();
            throw danger;
        }
}import java.lang.constant.Constable;
import java.util.ArrayList;
import java.util.Scanner;
public class text {
     public static void main(String[] args) {
            System.out.println("请输入要添加的危险品：");
            Scanner a = new Scanner(System.in);
            String d = a.next();
            
            ArrayList<String> list = new ArrayList<String>();
            
            String a1=d;
            list.add(a1);
            list.add("刀");
            list.add("手雷");
            list.add("弓");
            list.add("雷管");
            list.add("枪");
            System.out.println("请输入要检查的物品：");
            Scanner n = new Scanner(System.in);
            String x = n.next();
            Goods goods = new Goods(x);
            Machine ma = new Machine();
            try {
                ma.checkBag(goods);
            } catch (DangerException ae) {
                if (list.contains(x)) {
                    ae.toShow();
                    System.err.println( "不能通过: "+goods.getName() );
                } else {
                    System.out.println( "检查通过: "+goods.getName() );
                }
            }
        }
}