//2.1算数异常
// System.out.println(8/0);//编译通过
/*运行是输出:
Exception in thread "main" java.lang.ArithmeticException: / by zero
at me.testexceptions.TestExceptions.main(TestExceptions.java:13)
*///抛出java.lang.ArithmeticException异常
int[] a={1,2,3};
// int b=a[3];//编译无错
/* 运行时输出
Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: 3
at me.testexceptions.TestExceptions.main(TestExceptions.java:25)
*///同样是运行时抛出异常 java.lang.ArrayIndexOutOfBoundsException
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