Java基础 实验五 异常(文末送彩蛋)
一、实验目的
自定义非法年龄类IllegalAgeException,定义一个Person类,包含年龄,姓名,性别等属性,编写属性设置和读取函数,在设置年龄函数中,判断参数是否符合要求(1~150),如果不符合则抛出异常,编写main函数进行测试。
二、实验代码
1、IllegalAgeException.java(自定义异常类)
package exceptionfive;
public class IllegalAgeException extends Exception {
public IllegalAgeException() {
super();
}
public IllegalAgeException(String str) {
super(str);
}
}
2、Person.java
package exceptionfive;
public class Person {
private String name;
private int age;
private String sex;
public void setName(String str) {
name = str;
}
public String getName() {
return name;
}
public void setAge(int i) throws IllegalAgeException{//抛出异常
if(i < 1 || i > 150) {
age = -1;
throw new IllegalAgeException("年龄值输入出错,范围必须在1到150之间!");
} else {
age = i;
}
}
public int getAge() {
return age;
}
public void setSex(String str) {
sex = str;
}
public String getSex() {
return sex;
}
}
3、ExceptionFive.java(主类)
package exceptionfive;
import java.util.logging.Level;
import java.util.logging.Logger;
public class ExceptionFive {
public static void main(String[] args) {
Person per = new Person();
per.setName("zhangSan");
per.setSex("男");
try {
per.setAge(171);
} catch (Exception ex) {//捕获异常
Logger.getLogger(ExceptionFive.class.getName()).log(Level.SEVERE, null, ex);
System.out.println(ex.getMessage());
} finally {
System.out.println(per.getName() + " " + per.getSex() + " " + per.getAge());
}
}
}
三、实验结果
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