package com.xuweiwei;

/**
 * @author 许威威
 * @version 1.0
 */
public class ExceptionDemo {
    public static void main(String[] args) {
        int a = 10 / 0;
        
        System.out.println("over");

    }
}

try{
  可能出现异常的代码;
}catch(异常名 变量){
   处理异常; 
}finally{
  释放资源;  
}

package com.xuweiwei;

/**
 * @author 许威威
 * @version 1.0
 */
public class ExceptionDemo2 {
    public static void main(String[] args) {
        try {
            int i = 10 / 0;
        } catch (Exception e) {
            e.printStackTrace();
        }
        System.out.println("over");
    }
}

package com.xuweiwei;

/**
 * @author 许威威
 * @version 1.0
 */
public class ExceptionDemo3 {
    public static void main(String[] args) {

        try {
            int[] arr = {1};
            System.out.println(arr[1]);
        }catch (ArithmeticException e){
            System.out.println("除数不能为0");
        }catch (IndexOutOfBoundsException e){
            System.out.println("数组访问越界");
        }

        System.out.println("over");



    }
}

package com.xuweiwei;

/**
 * @author 许威威
 * @version 1.0
 */
public class ExceptionDemo3 {
    public static void main(String[] args) {

        try {
            int[] arr = {1};
            System.out.println(arr[1]);
        }catch (ArithmeticException e){
            throw new RuntimeException("除数不能为0"+e.getMessage());
        }catch (IndexOutOfBoundsException e){
            throw new RuntimeException("数组访问越界"+e.getMessage());
        }

        System.out.println("over");



    }
}