实验指导书：实验7-异常处理与异常类

实验7例外处理和例外类一.实验目的和实验环境1了解Java异常的基本概念和处理机制。2 Java异常错误处理方法(异常错误发生和捕获；使用Try、throw、throws、catch语句和finally)3了解异常类的作用，并掌握创建异常类的方法。二.实验内容1基本内容(实验前请及时熟悉以下相关内容)1)Java异常处理机制2)例外类的应用3)一般例外(除数为零等)4)多个异常处理5)方法引发异常6)需要捕获的例外2综合实验：2.1(y . Daniel ling英语版本10 p488:12.2 *(inputmismatchexception)(y . Daniel ling英语版本8 p456:13.2 *)(numbbryour program should prompt the user to read the number again if the input is incorrect .2.2 (Y. Daniel Liang英文版10 p488: 12.3 *) (Y. Daniel ling英文版8版p456:13.3 *)(arrayindexoutboundsexception)create an array with 100 randomly chosen integer。prompt the user to enter the index of the array，then display the corresponding element value。if the specified index is out of bounds，display the message out of bounds。2.3 (Y. Daniel Liang英文版10 p488: 12.4 *) (Y. Daniel ling英文版8版p456:13.4 *)(illegalargumentumption)modified2.4 (Y. danielling英文版10 p488: 12.5 *) (Y. danielling英文版8版p456:13.5 *)(illegaltriangleexception)exerthe triangle class must adhere to this rule。create the illegaltriangleexception class，And modify the constructor of the triangle class to throw an illegaltriangle exception object if a/* * construct a triangle with the specified sides */Public triangle(双侧1、双侧2、双侧3)throws illegaltriangleexception /implement三、进程列表和结果：1、package异常处理；import Java . util . scanner；Public class text 1public static void main(stringargs)/TODO Auto-generated method stubInt a、b；Scanner s=new Scanner(system . in)；system . out . print ln( read two integrers : )；While(true)Try a=s . nexttint()；b=s . nexttint()；system . out . printf(“% d”，a b)；Catch(Exception e)system . out . print ln( read the number again )；s . nextline()；2Package异常处理；import Java . util . scanner；Public class text 2public st