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现有人编写了帐号类Account，用于管理个人的存款余额， public Account{ private double balance; //帐号余额，余额最低为0 public double getBalance(){ return balance; } Public void setBalance(double b){ balance=b; } public double withdrawl(double money) throws Exception { //取款，money如果为负数或余额不足，抛出异常 } } 请用错误推测法为withdrawl()函数至少设计3个测试用例，并写出基于Junit的测试代码 。
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更多 “ 现有人编写了帐号类Account，用于管理个人的存款余额， public Account{ private double balance; //帐号余额，余额最低为0 public double getBalance(){ return balance; } Public void setBalance(double b){ balance=b; } public double withdrawl(double money) throws Exception { //取款，money如果为负数或余额不足，抛出异常 } } 请用错误推测法为withdrawl()函数至少设计3个测试用例，并写出基于Junit的测试代码 。 ” 相关考题
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