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Test01
package com.exception;public class Test01 {public static void main(String[] args) {
/* int a = 1;int b = 0;*/try {new Test01().test(1,0);} catch (ArithmeticException e) {throw new RuntimeException(e);}/* //假设要捕获多个异常：从小到大！try { //try监控区域if (b==0){throw new ArithmeticException(); // throw 主动抛出异常}//new Test().a();System.out.println(a/b);}catch (Error e1){ //捕获异常 catch(想要捕获的异常类型！)System.out.println("Error");} catch (Exception e2){System.out.println("Exception");} catch (Throwable e3){System.out.println("Throwable");}finally { //处理善后工作System.out.println("finally");}//finally 可以不要finally， IO，资源，关闭！*/}/* public void a(){b();};public void b(){a();};*///假设这方法中，处理不了这个异常，方法上抛出异常public void test(int a,int b)throws ArithmeticException{if (b==0){throw new ArithmeticException(); // throw 主动抛出异常,一般在方法中使用}System.out.println(a/b);}}
Test02
package com.exception;public class Test02 {public static void main(String[] args) {int a = 1;int b = 0;// 快捷键：Ctrl + Alt + T/* try {System.out.println(a/b);} catch (Exception e) {throw new RuntimeException(e);} finally {}*/try {System.out.println(a/b);} catch (Exception e) {e.printStackTrace();//打印错误的栈信息} finally {}}
}
