1 package work;
2
3 import java.util.Scanner;
4
5 public class ExceptionTest {
6
7 public static void main(String[] args) {
8 Scanner in = new Scanner(System.in);
9 double n1 = in.nextDouble();
10 double n2 = in.nextDouble();
11 double result;
12 try{
13 result = n1/n2;
14 System.out.println(result);
15 }catch(ArithmeticException e){
16 e.printStackTrace();
17 }finally{
18 System.out.println("finally");
19 }
20 in.close();
21 }
22
23 }
1 package work;
2
3 import java.util.InputMismatchException;
4 import java.util.Scanner;
5
6 public class Work2 {
7 public static void main(String[] args) {
8 Scanner in = new Scanner(System.in);
9 double radius;
10 try{
11 radius = in.nextDouble();
12 System.out.println(radius);
13 }catch(InputMismatchException e)
14 {
15 System.out.println("您输入的数据有问题");
16 }
17 }
18 }
1 package work;
2
3 public class Person {
4 private String name;
5 private int age;
6 private String id;
7 public String getName() {
8 return name;
9 }
10 public void setName(String name) {
11 this.name = name;
12 }
13 public int getAge() {
14 return age;
15 }
16 public void setAge(int age) {
17 this.age = age;
18 }
19 public String getId() {
20 return id;
21 }
22 public void setId(String id) throws IllegalArgumentException{
23 if(id.length()!=18)
24 {
25 throw(new IllegalArgumentException());
26 }
27 this.id = id;
28 }
29 }
1 package work;
2
3 public class IllegalArgumentException extends Exception{
4
5 }
1 package work;
2
3 public class ExceptionTest2 {
4
5 public static void main(String[] args) {
6 Person p1 = new Person();
7 Person p2 = new Person();
8 try {
9 p1.setId("430122200009190315");
10 p2.setId("110110110");
11 } catch (IllegalArgumentException e) {
12 System.out.println("您输入的身份证长度有误");
13 }
14
15
16 }
17
18 }
