异常练习

11.2

代码部分：

package lianxi;
import javax.swing.*;
public class bo {

public static void main(String[] args) {

int i=1, j=0, k;
k=i/j;

try
{

k = i/j; // Causes division-by-zero exception
//throw new Exception("Hello.Exception!");
}

catch ( ArithmeticException e)
{
System.out.println("被0除. "+ e.getMessage());
}

catch (Exception e)
{
if (e instanceof ArithmeticException)
System.out.println("被0除");
else
{
System.out.println(e.getMessage());

}
}

finally
{
JOptionPane.showConfirmDialog(null,"OK");
}
}
}

 运行结果：

 

运行结果分析：

代码报错；显示除零错误；